body {
    margin: 0;
    padding: 0;
}

a {
    transition-delay: .1s;
    -moz-transition-delay: .1s;
    -webkit-transition-delay: .1s;

    transition-duration: .2s;
    -moz-transition-duration: .2s;
    -webkit-transition-duration: .2s;
}

section {
    width: 100%;
    position: relative;
    display: table;
    height: 100%;
    height: 100vh;
}

section div {
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    height: 100%;
    height: 100vh;
    position: relative;
    text-decoration: none;
    background-image: url(bg_zahntechnik.jpg);
    background-size: auto 100%;
    background-position: bottom center;
}

section div + div {
    background-image: url(hero_meer.jpg);
}

section div > a {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    vertical-align: middle;
    background: RGBA(243, 246, 249, .9);
}

section div + div > a {
    background:rgba(237, 231, 227, .9);
}

section div > a:hover { background: RGBA(243, 246, 249, .75); }
section div + div > a:hover { background:rgba(237, 231, 227, .75); }

section div > a > img {
    position: absolute;
    top: 45%;
    left: 0;
    right: 0;
    margin: 0 auto;
}

a.imprint {
    position: absolute;
    text-decoration: none;
    color: #87796f;
    text-transform: uppercase;
    bottom: 1em;
    right: 1em;
    z-index: 9999;
    font-size: .9em;
    font-family: Arial, sans-serif;
    padding: .35em .5em;
    margin: .35em 0;
    border-bottom: 1px solid transparent;
}

a.imprint:hover {
    border-bottom: 1px solid #87796f;
}