body{
	background-color: black;
    color: white;
    font-family: "source-han-sans-japanese";
    font-weight: 200;
}

header {
    position: absolute;
    z-index: 10;
    top: 10px;
    left: 20px;
    color: white;
}

header h1{
    margin: 0;
    padding: 0;
    font-size: 20px;
    font-weight: 100;
    font-family: "source-han-sans-japanese";
}

header a{
    color: white;
    text-decoration: none;
}

header a:hover{
    opacity: 0.8;
}

main{
    
}

main > div{
    position: relative;
    display: table-cell;
    width: 50vw;
    height: 100vh;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    transition: all 300ms 0s ease;
}

main > div:before{
    position: absolute;
    bottom: 0;
    left: 0;
    content: "";
    display: block;
    width: 50vw;
    height: 0;
    background: rgba(0,0,0,.75);
    transition: all 300ms 0s ease;
}

main > div:hover:before{
    height: 100vh;
}

main > div *{
    position: relative;
    z-index: 100;
}

main > div h2{
    margin: 0;
}

main > div h2 a{
    display: table-cell;
    width: 50vw;
    height: 160px;
    vertical-align: middle;
    background: #000;
}

footer{
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 12px;
    opacity: .75;
}