Exemplo de utilização do plugin do Offline.js

7/28/2016 - 11:43 AM

Exemplo de utilização do plugin do Offline.js

offline.min.js

/*! offline 0.7.1 */
(function(){var a,b,c,d,e,f,g;d=function(a,b){var c,d,e,f;f=[];for(d in b.prototype)try{e=b.prototype[d],f.push(null==a[d]&&"function"!=typeof e?a[d]=e:void 0)}catch(g){c=g}return f},a={},null==a.options&&(a.options={}),c={checks:{xhr:{url:function(){return"/favicon.ico?_="+Math.floor(1e9*Math.random())}},image:{url:function(){return"/favicon.ico?_="+Math.floor(1e9*Math.random())}},active:"xhr"},checkOnLoad:!1,interceptRequests:!0,reconnect:!0},e=function(a,b){var c,d,e,f,g,h;for(c=a,f=b.split("."),d=g=0,h=f.length;h>g&&(e=f[d],c=c[e],"object"==typeof c);d=++g);return d===f.length-1?c:void 0},a.getOption=function(b){var d,f;return d=null!=(f=e(a.options,b))?f:e(c,b),"function"==typeof d?d():d},"function"==typeof window.addEventListener&&window.addEventListener("online",function(){return setTimeout(a.confirmUp,100)},!1),"function"==typeof window.addEventListener&&window.addEventListener("offline",function(){return a.confirmDown()},!1),a.state="up",a.markUp=function(){return a.trigger("confirmed-up"),"up"!==a.state?(a.state="up",a.trigger("up")):void 0},a.markDown=function(){return a.trigger("confirmed-down"),"down"!==a.state?(a.state="down",a.trigger("down")):void 0},f={},a.on=function(b,c,d){var e,g,h,i,j;if(g=b.split(" "),g.length>1){for(j=[],h=0,i=g.length;i>h;h++)e=g[h],j.push(a.on(e,c,d));return j}return null==f[b]&&(f[b]=[]),f[b].push([d,c])},a.off=function(a,b){var c,d,e,g,h;if(null!=f[a]){if(b){for(d=0,h=[];d<f[a].length;)g=f[a][d],c=g[0],e=g[1],h.push(e===b?f[a].splice(d,1):d++);return h}return f[a]=[]}},a.trigger=function(a){var b,c,d,e,g,h,i;if(null!=f[a]){for(g=f[a],i=[],d=0,e=g.length;e>d;d++)h=g[d],b=h[0],c=h[1],i.push(c.call(b));return i}},b=function(a,b,c){var d,e;return d=function(){return a.status&&a.status<12e3?b():c()},null===a.onprogress?(a.addEventListener("error",c,!1),a.addEventListener("timeout",c,!1),a.addEventListener("load",d,!1)):(e=a.onreadystatechange,a.onreadystatechange=function(){return 4===a.readyState?d():0===a.readyState&&c(),"function"==typeof e?e.apply(null,arguments):void 0})},a.checks={},a.checks.xhr=function(){var c,d;d=new XMLHttpRequest,d.offline=!1,d.open("HEAD",a.getOption("checks.xhr.url"),!0),b(d,a.markUp,a.markDown);try{d.send()}catch(e){c=e,a.markDown()}return d},a.checks.image=function(){var b;return b=document.createElement("img"),b.onerror=a.markDown,b.onload=a.markUp,void(b.src=a.getOption("checks.image.url"))},a.checks.down=a.markDown,a.checks.up=a.markUp,a.check=function(){return a.trigger("checking"),a.checks[a.getOption("checks.active")]()},a.confirmUp=a.confirmDown=a.check,a.onXHR=function(a){var b,c,e;return b=function(b,c){var d;return d=b.open,b.open=function(e,f,g,h,i){return a({type:e,url:f,async:g,flags:c,user:h,password:i,xhr:b}),d.apply(b,arguments)}},e=window.XMLHttpRequest,window.XMLHttpRequest=function(a){var c,d,f;return c=new e(a),b(c,a),f=c.setRequestHeader,c.headers={},c.setRequestHeader=function(a,b){return c.headers[a]=b,f.call(c,a,b)},d=c.overrideMimeType,c.overrideMimeType=function(a){return c.mimeType=a,d.call(c,a)},c},d(window.XMLHttpRequest,e),null!=window.XDomainRequest?(c=window.XDomainRequest,window.XDomainRequest=function(){var a;return a=new c,b(a),a},d(window.XDomainRequest,c)):void 0},g=function(){return a.getOption("interceptRequests")&&a.onXHR(function(c){var d;return d=c.xhr,d.offline!==!1?b(d,a.confirmUp,a.confirmDown):void 0}),a.getOption("checkOnLoad")?a.check():void 0},setTimeout(g,0),window.Offline=a}).call(this),function(){var a,b,c,d,e,f,g,h,i;if(!window.Offline)throw new Error("Offline Reconnect brought in without offline.js");d=Offline.reconnect={},f=null,e=function(){var a;return null!=d.state&&"inactive"!==d.state&&Offline.trigger("reconnect:stopped"),d.state="inactive",d.remaining=d.delay=null!=(a=Offline.getOption("reconnect.initialDelay"))?a:3},b=function(){var a,b;return a=null!=(b=Offline.getOption("reconnect.delay"))?b:Math.min(Math.ceil(1.5*d.delay),3600),d.remaining=d.delay=a},g=function(){return"connecting"!==d.state?(d.remaining-=1,Offline.trigger("reconnect:tick"),0===d.remaining?h():void 0):void 0},h=function(){return"waiting"===d.state?(Offline.trigger("reconnect:connecting"),d.state="connecting",Offline.check()):void 0},a=function(){return Offline.getOption("reconnect")?(e(),d.state="waiting",Offline.trigger("reconnect:started"),f=setInterval(g,1e3)):void 0},i=function(){return null!=f&&clearInterval(f),e()},c=function(){return Offline.getOption("reconnect")?"connecting"===d.state?(Offline.trigger("reconnect:failure"),d.state="waiting",b()):void 0:void 0},d.tryNow=h,e(),Offline.on("down",a),Offline.on("confirmed-down",c),Offline.on("up",i)}.call(this),function(){var a,b,c,d,e,f;if(!window.Offline)throw new Error("Requests module brought in without offline.js");c=[],f=!1,d=function(a){return Offline.trigger("requests:capture"),"down"!==Offline.state&&(f=!0),c.push(a)},e=function(a){var b,c,d,e,f,g,h,i,j;i=a.xhr,f=a.url,e=a.type,g=a.user,d=a.password,b=a.body,i.abort(),i.open(e,f,!0,g,d),j=i.headers;for(c in j)h=j[c],i.setRequestHeader(c,h);return i.mimeType&&i.overrideMimeType(i.mimeType),i.send(b)},a=function(){return c=[]},b=function(){var b,d,f,g,h,i;for(Offline.trigger("requests:flush"),f={},h=0,i=c.length;i>h;h++)d=c[h],g=d.url.replace(/(\?|&)_=[0-9]+/,function(a,b){return"?"===b?b:""}),f[""+d.type.toUpperCase()+" - "+g]=d;for(b in f)d=f[b],e(d);return a()},setTimeout(function(){return Offline.getOption("requests")!==!1?(Offline.on("confirmed-up",function(){return f?(f=!1,a()):void 0}),Offline.on("up",b),Offline.on("down",function(){return f=!1}),Offline.onXHR(function(a){var b,c,e,f,g;return e=a.xhr,b=a.async,e.offline!==!1&&(c=function(){return d(a)},g=e.send,e.send=function(b){return a.body=b,g.apply(e,arguments)},b)?null===e.onprogress?(e.addEventListener("error",c,!1),e.addEventListener("timeout",c,!1)):(f=e.onreadystatechange,e.onreadystatechange=function(){return 0===e.readyState?c():4===e.readyState&&(0===e.status||e.status>=12e3)&&c(),"function"==typeof f?f.apply(null,arguments):void 0}):void 0}),Offline.requests={flush:b,clear:a}):void 0},0)}.call(this),function(){var a,b,c,d,e;if(!Offline)throw new Error("Offline simulate brought in without offline.js");for(e=["up","down"],c=0,d=e.length;d>c;c++)a=e[c],(document.querySelector("script[data-simulate='"+a+"']")||localStorage.OFFLINE_SIMULATE===a)&&(null==Offline.options&&(Offline.options={}),null==(b=Offline.options).checks&&(b.checks={}),Offline.options.checks.active=a)}.call(this),function(){var a,b,c,d,e,f,g,h,i,j,k,l,m;if(!window.Offline)throw new Error("Offline UI brought in without offline.js");b='<div class="offline-ui"><div class="offline-ui-content"></div></div>',a='<a href class="offline-ui-retry"></a>',e=function(a){var b;return b=document.createElement("div"),b.innerHTML=a,b.children[0]},f=d=null,c=function(a){return j(a),f.className+=" "+a},j=function(a){return f.className=f.className.replace(new RegExp("(^| )"+a.split(" ").join("|")+"( |$)","gi")," ")},h={},g=function(a,b){return c(a),null!=h[a]&&clearTimeout(h[a]),h[a]=setTimeout(function(){return j(a),delete h[a]},1e3*b)},l=function(a){var b,c,d,e;d={day:86400,hour:3600,minute:60,second:1};for(c in d)if(b=d[c],a>=b)return e=Math.floor(a/b),[e,c];return["now",""]},k=function(){var g,h;return f=e(b),document.body.appendChild(f),null!=Offline.reconnect&&Offline.getOption("reconnect")&&(f.appendChild(e(a)),g=f.querySelector(".offline-ui-retry"),h=function(a){return a.preventDefault(),Offline.reconnect.tryNow()},null!=g.addEventListener?g.addEventListener("click",h,!1):g.attachEvent("click",h)),c("offline-ui-"+Offline.state),d=f.querySelector(".offline-ui-content")},i=function(){return k(),Offline.on("up",function(){return j("offline-ui-down"),c("offline-ui-up"),g("offline-ui-up-2s",2),g("offline-ui-up-5s",5)}),Offline.on("down",function(){return j("offline-ui-up"),c("offline-ui-down"),g("offline-ui-down-2s",2),g("offline-ui-down-5s",5)}),Offline.on("reconnect:connecting",function(){return c("offline-ui-connecting"),j("offline-ui-waiting")}),Offline.on("reconnect:tick",function(){var a,b,e;return c("offline-ui-waiting"),j("offline-ui-connecting"),e=l(Offline.reconnect.remaining),a=e[0],b=e[1],d.setAttribute("data-retry-in-value",a),d.setAttribute("data-retry-in-unit",b)}),Offline.on("reconnect:stopped",function(){return j("offline-ui-connecting offline-ui-waiting"),d.setAttribute("data-retry-in-value",null),d.setAttribute("data-retry-in-unit",null)}),Offline.on("reconnect:failure",function(){return g("offline-ui-reconnect-failed-2s",2),g("offline-ui-reconnect-failed-5s",5)}),Offline.on("reconnect:success",function(){return g("offline-ui-reconnect-succeeded-2s",2),g("offline-ui-reconnect-succeeded-5s",5)})},"complete"===document.readyState?i():null!=document.addEventListener?document.addEventListener("DOMContentLoaded",i,!1):(m=document.onreadystatechange,document.onreadystatechange=function(){return"complete"===document.readyState&&i(),"function"==typeof m?m.apply(null,arguments):void 0})}.call(this);

offline-theme-chrome.css

/* line 4, ../sass/_offline-theme-base.sass */
.offline-ui, .offline-ui *, .offline-ui:before, .offline-ui:after, .offline-ui *:before, .offline-ui *:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

/* line 7, ../sass/_offline-theme-base.sass */
.offline-ui {
  display: none;
  position: fixed;
  background: white;
  z-index: 800;
  margin: auto;
  top: 0;
  left: 0;
  right: 0;
}
/* line 17, ../sass/_offline-theme-base.sass */
.offline-ui .offline-ui-content:before {
  display: inline;
}
/* line 20, ../sass/_offline-theme-base.sass */
.offline-ui .offline-ui-retry {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  display: none;
}
/* line 24, ../sass/_offline-theme-base.sass */
.offline-ui .offline-ui-retry:before {
  display: inline;
}
/* line 29, ../sass/_offline-theme-base.sass */
.offline-ui.offline-ui-up.offline-ui-up-5s {
  display: block;
}
/* line 32, ../sass/_offline-theme-base.sass */
.offline-ui.offline-ui-down {
  display: block;
}
/* line 37, ../sass/_offline-theme-base.sass */
.offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-retry {
  display: block;
}
/* line 42, ../sass/_offline-theme-base.sass */
.offline-ui.offline-ui-down.offline-ui-reconnect-failed-2s.offline-ui-waiting .offline-ui-retry {
  display: none;
}

@-webkit-keyframes offline-dropin {
  /* line 40, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 0;
  }

  /* line 43, ../sass/_keyframes.sass */
  1% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 0;
  }

  /* line 48, ../sass/_keyframes.sass */
  2% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 1;
  }

  /* line 51, ../sass/_keyframes.sass */
  100% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 1;
  }
}

@-moz-keyframes offline-dropin {
  /* line 40, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 0;
  }

  /* line 43, ../sass/_keyframes.sass */
  1% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 0;
  }

  /* line 48, ../sass/_keyframes.sass */
  2% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 1;
  }

  /* line 51, ../sass/_keyframes.sass */
  100% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 1;
  }
}

@-ms-keyframes offline-dropin {
  /* line 40, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 0;
  }

  /* line 43, ../sass/_keyframes.sass */
  1% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 0;
  }

  /* line 48, ../sass/_keyframes.sass */
  2% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 1;
  }

  /* line 51, ../sass/_keyframes.sass */
  100% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 1;
  }
}

@-o-keyframes offline-dropin {
  /* line 40, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 0;
  }

  /* line 43, ../sass/_keyframes.sass */
  1% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 0;
  }

  /* line 48, ../sass/_keyframes.sass */
  2% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 1;
  }

  /* line 51, ../sass/_keyframes.sass */
  100% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 1;
  }
}

@keyframes offline-dropin {
  /* line 40, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 0;
  }

  /* line 43, ../sass/_keyframes.sass */
  1% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 0;
  }

  /* line 48, ../sass/_keyframes.sass */
  2% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
    opacity: 1;
  }

  /* line 51, ../sass/_keyframes.sass */
  100% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    opacity: 1;
  }
}

@-webkit-keyframes offline-dropout {
  /* line 57, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
  }

  /* line 59, ../sass/_keyframes.sass */
  100% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
  }
}

@-moz-keyframes offline-dropout {
  /* line 57, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
  }

  /* line 59, ../sass/_keyframes.sass */
  100% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
  }
}

@-ms-keyframes offline-dropout {
  /* line 57, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
  }

  /* line 59, ../sass/_keyframes.sass */
  100% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
  }
}

@-o-keyframes offline-dropout {
  /* line 57, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
  }

  /* line 59, ../sass/_keyframes.sass */
  100% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
  }
}

@keyframes offline-dropout {
  /* line 57, ../sass/_keyframes.sass */
  0% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
  }

  /* line 59, ../sass/_keyframes.sass */
  100% {
    transform: translateY(-800px);
    -webkit-transform: translateY(-800px);
    -moz-transform: translateY(-800px);
    -ms-transform: translateY(-800px);
    -o-transform: translateY(-800px);
  }
}

@-webkit-keyframes offline-rotation {
  /* line 64, ../sass/_keyframes.sass */
  0% {
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
  }

  /* line 66, ../sass/_keyframes.sass */
  100% {
    transform: rotate(359deg);
    -webkit-transform: rotate(359deg);
    -moz-transform: rotate(359deg);
    -ms-transform: rotate(359deg);
    -o-transform: rotate(359deg);
  }
}

@-moz-keyframes offline-rotation {
  /* line 64, ../sass/_keyframes.sass */
  0% {
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
  }

  /* line 66, ../sass/_keyframes.sass */
  100% {
    transform: rotate(359deg);
    -webkit-transform: rotate(359deg);
    -moz-transform: rotate(359deg);
    -ms-transform: rotate(359deg);
    -o-transform: rotate(359deg);
  }
}

@-ms-keyframes offline-rotation {
  /* line 64, ../sass/_keyframes.sass */
  0% {
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
  }

  /* line 66, ../sass/_keyframes.sass */
  100% {
    transform: rotate(359deg);
    -webkit-transform: rotate(359deg);
    -moz-transform: rotate(359deg);
    -ms-transform: rotate(359deg);
    -o-transform: rotate(359deg);
  }
}

@-o-keyframes offline-rotation {
  /* line 64, ../sass/_keyframes.sass */
  0% {
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
  }

  /* line 66, ../sass/_keyframes.sass */
  100% {
    transform: rotate(359deg);
    -webkit-transform: rotate(359deg);
    -moz-transform: rotate(359deg);
    -ms-transform: rotate(359deg);
    -o-transform: rotate(359deg);
  }
}

@keyframes offline-rotation {
  /* line 64, ../sass/_keyframes.sass */
  0% {
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
  }

  /* line 66, ../sass/_keyframes.sass */
  100% {
    transform: rotate(359deg);
    -webkit-transform: rotate(359deg);
    -moz-transform: rotate(359deg);
    -ms-transform: rotate(359deg);
    -o-transform: rotate(359deg);
  }
}

/* line 16, ../sass/offline-theme-chrome.sass */
.offline-ui {
  -webkit-box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15), 0 0 1em rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15), 0 0 1em rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15), 0 0 1em rgba(0, 0, 0, 0.3);
  font-family: "Lucida Grande", sans-serif;
  font-size: 14px;
  padding: 1em;
  width: 38em;
  max-width: 100%;
  background: #f6f6f6;
  color: #444444;
  overflow: hidden;
}
/* line 27, ../sass/offline-theme-chrome.sass */
.offline-ui .offline-ui-content {
  padding-left: 2em;
}
/* line 30, ../sass/offline-theme-chrome.sass */
.offline-ui .offline-ui-content:before {
  line-height: 1.25em;
}
/* line 33, ../sass/offline-theme-chrome.sass */
.offline-ui .offline-ui-content:after {
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  border-radius: 50%;
  content: " ";
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1em;
  margin: auto;
  height: 1em;
  width: 1em;
}
/* line 45, ../sass/offline-theme-chrome.sass */
.offline-ui .offline-ui-retry {
  -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08), inset 0 1px 2px rgba(255, 255, 255, 0.75);
  -moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08), inset 0 1px 2px rgba(255, 255, 255, 0.75);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08), inset 0 1px 2px rgba(255, 255, 255, 0.75);
  -webkit-border-radius: 2px;
  -moz-border-radius: 2px;
  -ms-border-radius: 2px;
  -o-border-radius: 2px;
  border-radius: 2px;
  background-image: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #ededed), color-stop(38%, #ededed), color-stop(100%, #dedede));
  background-image: -webkit-linear-gradient(#ededed, #ededed 38%, #dedede);
  background-image: -moz-linear-gradient(#ededed, #ededed 38%, #dedede);
  background-image: -o-linear-gradient(#ededed, #ededed 38%, #dedede);
  background-image: linear-gradient(#ededed, #ededed 38%, #dedede);
  position: absolute;
  right: 4em;
  top: 1em;
  bottom: 1em;
  border: 1px solid rgba(0, 0, 0, 0.25);
  text-shadow: 0 1px 0 #f0f0f0;
  padding: 0 1em;
  line-height: 1.6em;
  height: 1.7em;
  margin: auto;
  font-size: 12px;
  text-decoration: none;
  color: inherit;
}
/* line 63, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-up {
  -webkit-animation: offline-dropout forwards 0.5s 2s;
  -moz-animation: offline-dropout forwards 0.5s 2s;
  -ms-animation: offline-dropout forwards 0.5s 2s;
  -o-animation: offline-dropout forwards 0.5s 2s;
  animation: offline-dropout forwards 0.5s 2s;
  -webkit-backface-visibility: hidden;
}
/* line 66, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-up .offline-ui-content:after {
  background: #80d580;
}
/* line 69, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-down {
  -webkit-animation: offline-dropin 0.5s;
  -moz-animation: offline-dropin 0.5s;
  -ms-animation: offline-dropin 0.5s;
  -o-animation: offline-dropin 0.5s;
  animation: offline-dropin 0.5s;
  -webkit-backface-visibility: hidden;
}
/* line 72, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-down .offline-ui-content:after {
  background: #ec8787;
}
/* line 75, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-down.offline-ui-connecting, .offline-ui.offline-ui-down.offline-ui-waiting {
  padding-right: 3em;
}
/* line 78, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-down.offline-ui-connecting .offline-ui-content:after, .offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content:after {
  background: #ec8787;
}
/* line 81, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-down.offline-ui-connecting:after, .offline-ui.offline-ui-down.offline-ui-waiting:after {
  -webkit-animation: offline-rotation 0.7s linear infinite;
  -moz-animation: offline-rotation 0.7s linear infinite;
  -ms-animation: offline-rotation 0.7s linear infinite;
  -o-animation: offline-rotation 0.7s linear infinite;
  animation: offline-rotation 0.7s linear infinite;
  -webkit-backface-visibility: hidden;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  border-radius: 50%;
  content: " ";
  display: block;
  position: absolute;
  right: 1em;
  top: 0;
  bottom: 0;
  margin: auto;
  height: 1em;
  width: 1em;
  border: 2px solid rgba(0, 0, 0, 0);
  border-top-color: rgba(0, 0, 0, 0.5);
  border-left-color: rgba(0, 0, 0, 0.5);
  opacity: 0.7;
}
/* line 98, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-down.offline-ui-waiting {
  padding-right: 11em;
}
/* line 101, ../sass/offline-theme-chrome.sass */
.offline-ui.offline-ui-down.offline-ui-waiting.offline-ui-reconnect-failed-2s {
  padding-right: 0;
}

offline-language-portuguese-brazil.css

@charset "UTF-8";
/* line 6, ../sass/_content.sass */
.offline-ui .offline-ui-retry:before {
  content: "Reconectar";
}
/* line 11, ../sass/_content.sass */
.offline-ui.offline-ui-up .offline-ui-content:before {
  content: "Seu computador está conectado à internet.";
}
@media (max-width: 1024px) {
  /* line 11, ../sass/_content.sass */
  .offline-ui.offline-ui-up .offline-ui-content:before {
    content: "O dispositivo está conectado à internet.";
  }
}
@media (max-width: 568px) {
  /* line 11, ../sass/_content.sass */
  .offline-ui.offline-ui-up .offline-ui-content:before {
    content: "O dispositivo está conectado.";
  }
}
/* line 22, ../sass/_content.sass */
.offline-ui.offline-ui-down .offline-ui-content:before {
  content: "O computador perdeu sua conexão com a internet.";
}
@media (max-width: 1024px) {
  /* line 22, ../sass/_content.sass */
  .offline-ui.offline-ui-down .offline-ui-content:before {
    content: "O dispositivo perdeu sua conexão com a internet.";
  }
}
@media (max-width: 568px) {
  /* line 22, ../sass/_content.sass */
  .offline-ui.offline-ui-down .offline-ui-content:before {
    content: "Seu dispositivo não está conectado.";
  }
}
/* line 33, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-connecting .offline-ui-content:before, .offline-ui.offline-ui-down.offline-ui-connecting-2s .offline-ui-content:before {
  content: "Tentando reconectar...";
}
/* line 42, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="second"]:before {
  content: "Conexão perdida. reconectando em " attr(data-retry-in-value) " segundos...";
}
@media (max-width: 568px) {
  /* line 42, ../sass/_content.sass */
  .offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="second"]:before {
    content: "Reconectando em " attr(data-retry-in-value) "s...";
  }
}
/* line 50, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="second"][data-retry-in-value="1"]:before {
  content: "Conexão perdida. reconectando em " attr(data-retry-in-value) " segundo...";
}
@media (max-width: 568px) {
  /* line 50, ../sass/_content.sass */
  .offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="second"][data-retry-in-value="1"]:before {
    content: "Reconectando em " attr(data-retry-in-value) "s...";
  }
}
/* line 58, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="minute"]:before {
  content: "Conexão perdida. reconectando em " attr(data-retry-in-value) " minutos...";
}
@media (max-width: 568px) {
  /* line 58, ../sass/_content.sass */
  .offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="minute"]:before {
    content: "Reconectando em " attr(data-retry-in-value) "m...";
  }
}
/* line 66, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="minute"][data-retry-in-value="1"]:before {
  content: "Conexão perdida. reconectando em " attr(data-retry-in-value) " minuto...";
}
@media (max-width: 568px) {
  /* line 66, ../sass/_content.sass */
  .offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="minute"][data-retry-in-value="1"]:before {
    content: "Reconectando em " attr(data-retry-in-value) "m...";
  }
}
/* line 74, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="hour"]:before {
  content: "Conexão perdida. reconectando em " attr(data-retry-in-value) " horas...";
}
@media (max-width: 568px) {
  /* line 74, ../sass/_content.sass */
  .offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="hour"]:before {
    content: "Reconectando em " attr(data-retry-in-value) "h...";
  }
}
/* line 82, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="hour"][data-retry-in-value="1"]:before {
  content: "Conexão perdida. reconectando em " attr(data-retry-in-value) " hora...";
}
@media (max-width: 568px) {
  /* line 82, ../sass/_content.sass */
  .offline-ui.offline-ui-down.offline-ui-waiting .offline-ui-content[data-retry-in-unit="hour"][data-retry-in-value="1"]:before {
    content: "Reconectando em " attr(data-retry-in-value) "h...";
  }
}
/* line 90, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-reconnect-failed-2s.offline-ui-waiting .offline-ui-retry {
  display: none;
}
/* line 93, ../sass/_content.sass */
.offline-ui.offline-ui-down.offline-ui-reconnect-failed-2s .offline-ui-content:before {
  content: "Tentativa de conexão falhou.";
}

OfflineJsSample.html

<!doctype html>
<html>
<head>
    <title>Offline.js Simulate UI</title>

    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" />
    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.min.css" />

    <link rel="stylesheet" href="lib/themes/offline-theme-chrome.css" />
    <link rel="stylesheet" href="lib/themes/offline-language-portuguese-brazil.css" />

    <script src="lib/offline.min.js"></script>
    <!--<script src="offline-simulate-ui.min.js"></script>-->
</head>
<body class="container">
	Teste
</body>
</html>

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Exemplo de utilização do plugin do Offline.js