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input::-webkit-input-placeholder {color:#666}
input:-moz-placeholder {color:#666}
input::-moz-placeholder {color:#666}
input:-ms-input-placeholder {color:#666}

ul {position:absolute;visibility:hidden;opacity:0;transform:translateZ(0);transform:translateY(10%);transition:all .2s linear}
:hover > ul {visibility:visible;opacity:1;transform:translateX(0%)}