html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    background: #0d0d0d;
}

body {
    font: 0.9em "Lucida Sans Unicode", "Lucida Grande", Arial, Helvetica, sans-serif;
    color: Gray;
    -webkit-font-smoothing: subpixel-antialiased;
}

#header {
    width: 100%;
    height: 70px;
    background: #222222 url(banner_small.png) no-repeat center center;
    background-size: contain;
    padding: 0;
    margin: 0;
    text-align: center;
    position: relative;
    box-sizing: border-box;
}

div.wrapper_box,
div.widerwrapper_box {
    width: 100%;
    margin: 0;
    padding: 0;
    background: #222222;
    border: none;
    position: relative;
    box-sizing: border-box;
}

div.widerwrapper_box {
    min-height: calc(100vh - 70px);
}