Triangle Hovers

Pure CSS triangle hit-test areas with texts

by stichoza

HTML

<div id="tri-square">
    <span class="float-tl">code</span>
    <span class="float-br">design</span>
    <div class="triangle triangle-top"></div>
    <div class="triangle triangle-bottom"></div>
</div>

CSS

body {
    background: url(http://i.imgur.com/tpwLZKs.jpg);
}
#tri-square {
    position: fixed;
    top: 50%;
    left: 50%;
    margin-top: -150px;
    margin-left: -150px;
    width: 300px;
    height: 300px;
    border: 2px solid #fff;
}
#tri-square .triangle {
    position: absolute;
    width: 216px;
    height: 428px;
    top: 0px;
    left: 0px;
    background: rgba(255,255,255,0.05);
    cursor: pointer;
    /* animation */
    -webkit-transition: all 0.2s linear;
    -moz-transition: all 0.2s linear;
    -ms-transition: all 0.2s linear;
    -o-transition: all 0.2s linear;
    transition: all 0.2s linear;
    /* rotation */
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}
#tri-square .triangle:hover {
    background: rgba(255,255,255,0.3);
}

#tri-square .triangle-top {
    top: -142px;
    left: -33px;
    border-right: 1px solid #fff;
}
#tri-square .triangle-bottom {
    top: 13px;
    left: 118px;
    border-left: 1px solid #fff;
}
#tri-square .float-tl, #tri-square .float-br {
    position: absolute;
    color: #fff;
    font-family: consolas, monospace;
    font-size: 1.4em;
}
#tri-square .float-tl {
    top: 5px;
    left: 8px;
}
#tri-square .float-br {
    bottom: 5px;
    right: 8px;
}