html, body{
    height: 100%;
}

body {
    background: #ffffff; /* Old browsers */
    background: -moz-linear-gradient(-45deg, #ffffff 44%, #e5e5e5 100%); /* FF3.6-15 */
    background: -webkit-linear-gradient(-45deg, #ffffff 44%,#e5e5e5 100%); /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(135deg, #ffffff 44%,#e5e5e5 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#e5e5e5',GradientType=1 ); /* IE6-9 fallback on horizontal gradient */
    text-align: center;
    font-family: 'PT Sans', Verdana, sans-serif;
    margin: 0;
    padding:0;
    overflow: hidden;
    display: table;
    min-width: 100%;
}

.layout{
    margin: 0 auto;
    margin: 0;
    display: table-cell;
    vertical-align: middle;
    height: 100%;
}

.text{
    font-size: 36px;
    color: #000;
    font-weight: normal;
    margin: 0 auto;
    line-height: 1;
}

.title{
    font-size: 120px;
    color: #000;
    font-weight: 700;
    margin: 0 auto 20px;
    line-height: 1;
    font-family: Arial, Verdana, sans-serif;
}

.icon_404:after, .icon_500:after{
    content: '';
    display: block;
    width: 202px;
    height: 202px;
    margin: 40px auto;
    background-repeat: no-repeat;
    background-position: 0 0;
}