#header.overflow {
    top: -100px;
    left: 0px;
    background-color: none !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.11);
    -webkit-transition: all 0.3s ease-in;
    -o-transition: all 0.3s ease-in;
    transition: all 0.3s ease-in;
    -webkit-font-smoothing: antialiased;
}

.section.dark h2 {
    color: #000;
}