html, body {
    padding: 0;
    margin: 0 auto;
    width: 100%;
}

body {
    background-color: #fff;
    font-family: Arial, Helvetica, Verdana;
    font-size: 14px;
    line-height: 22px;
    color: #666;
    position: relative;
    -webkit-text-size-adjust: none;
}

body * {
    text-shadow: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1;
    font-weight: bold;
    margin: 20px 0 10px 0;
}

h1, h2, h3 {
    font-size: 18px;
}

h4, h5, h6 {
    font-size: 16px;
}

p {
    margin: 10px 0;
}

a, a:link, a:active, a:visited, a:hover {
    color: inherit;
    text-decoration: none;
}

nav:not(.mm-menu) {
    display: none;
}

.header,
.content,
.footer {
    text-align: center;
}

.header,
.footer {
    background: #777;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    line-height: 40px;
    display: table-column;

    -moz-box-sizing: border-box;
    box-sizing: border-box;
    width: 100%;
    height: 40px;
    padding: 0 50px;
}

.header.fixed {
    position: fixed;
    top: 0;
    left: 0;
}

.footer.fixed {
    position: fixed;
    bottom: 0;
    left: 0;
}

.header a {
    display: block;
    width: 28px;
    height: 18px;
    padding: 11px;
    position: absolute;
    top: 0;
    left: 0;
}

.header a:before,
.header a:after {
    content: '';
    display: block;
    background: #fff;
    height: 2px;
}

.header a span {
    background: #fff;
    display: block;
    height: 2px;
    margin: 6px 0;
}

.content {
    padding: 150px 50px 50px 50px;
    display: none;
}