nav:not(.mm-menu) {
    display: none;
}
#header {
    position: absolute;
    height: 35px;
    top: 9px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    line-height: 44px;
    text-align: center;
    background: #85754e;
    width: 35px;
    border-radius: 50%;
    left: 0;
}
#header a {
    display: flex;
    position: absolute;
    top: 11px;
    left: 7px;
    width: 22px;
    height: 14px;
    flex-direction: column;
    border-bottom: 2px solid;
}
#header a:before,
#header a:after {
    content: "";
    display: block;
    background: #fff;
    height: 2px;
    width: 100%;
    margin-bottom: 4px;
}
#header a span {
    background: #fff;
    display: block;
    height: 2px;
    margin: 7px 0;
}

#content {
    padding: 150px 50px 50px 50px;
    text-align: center;
}