.btn {
color: black;
padding: 0.7em calc(0.7em * 1.2);
display: inline-block;
border: 3px solid transparent;
position: relative;
font-size: 16px;
cursor: pointer;
font-weight: 600;
font-size: 20px;
}
.btn .text {
font-family: 'Yanone Kaffeesatz', sans-serif;
transform: translate3d(0, 0.7em, 0);
display: block;
transition: transform 0.4s cubic-bezier(0.2, 0, 0, 1) 0.4s;
}
.btn:after {
position: absolute;
content: '';
bottom: -3px;
left: calc(0.7em * 1.2);
right: calc(0.7em * 1.2);
height: 3px;
background: #ff8500;
transition: transform 0.8s cubic-bezier(1, 0, 0.37, 1) 0.2s, right 0.2s cubic-bezier(0.04, 0.48, 0, 1) 0.6s, left 0.4s cubic-bezier(0.04, 0.48, 0, 1) 0.6s;
transform-origin: left;
}
.btn .line {
position: absolute;
background: #ff8500;
}
.btn .line.-right, .btn .line.-left {
width: 3px;
bottom: -3px;
top: -3px;
transform: scale3d(1, 0, 1);
}
.btn .line.-top, .btn .line.-bottom {
height: 3px;
left: -3px;
right: -3px;
transform: scale3d(0, 1, 1);
}
.btn .line.-right {
right: -3px;
transition: transform 0.1s cubic-bezier(1, 0, 0.65, 1.01) 0.23s;
transform-origin: top;
}
.btn .line.-top {
top: -3px;
transition: transform 0.08s linear 0.43s;
transform-origin: left;
}
.btn .line.-left {
left: -3px;
transition: transform 0.08s linear 0.51s;
transform-origin: bottom;
}
.btn .line.-bottom {
bottom: -3px;
transition: transform 0.3s cubic-bezier(1, 0, 0.65, 1.01);
transform-origin: right;
}
.btn:hover .text,
.btn:active .text {
transform: translate3d(0, 0, 0);
transition: transform 0.6s cubic-bezier(0.2, 0, 0, 1) 0.4s;
}
.btn:hover:after,
.btn:active:after {
transform: scale3d(0, 1, 1);
right: -3px;
left: -3px;
transform-origin: right;
transition: transform 0.2s cubic-bezier(1, 0, 0.65, 1.01) 0.17s, right 0.2s cubic-bezier(1, 0, 0.65, 1.01), left 0s 0.3s;
}
.btn:hover .line,
.btn:active .line {
transform: scale3d(1, 1, 1);
}
.btn:hover .line.-right,
.btn:active .line.-right {
transition: transform 0.1s cubic-bezier(1, 0, 0.65, 1.01) 0.2s;
transform-origin: bottom;
}
.btn:hover .line.-top,
.btn:active .line.-top {
transition: transform 0.08s linear 0.4s;
transform-origin: right;
}
.btn:hover .line.-left,
.btn:active .line.-left {
transition: transform 0.08s linear 0.48s;
transform-origin: top;
}
.btn:hover .line.-bottom,
.btn:active .line.-bottom {
transition: transform 0.5s cubic-bezier(0, 0.53, 0.29, 1) 0.56s;
transform-origin: left;
}