@font-face {
    font-family: 'Avenir Book';
    src: url('../fonts/Avenir-Book.eot');
    src: url('../fonts/Avenir-Book.eot?#iefix') format('embedded-opentype'),
        url('../fonts/Avenir-Book.woff2') format('woff2'),
        url('../fonts/Avenir-Book.woff') format('woff'),
        url('../fonts/Avenir-Book.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}
html,
body {
    font-family: 'Avenir Book';
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to top, #eee,#fff);
}

.absolute-center {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    width: 1100px;
    max-width: 80%;
    margin: auto;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    text-align: left;
}

.absolute-center.bottom {
    bottom: 50px;
    top: auto;
    transform: none;
    -webkit-transform: none;
}

.bottom a {
    display: inline-block;
    vertical-align: middle;
    color: #000;
    margin-right: 20px;
    text-decoration: none;
    font-size: 16px;
}

.logo {
    display: inline-block;
    width: 350px;
    max-width: 80%;
    height: auto;
}