/* Grid Columns System */
@media (min-width: 768px) {
    .one { width: 100%; }
    .one-second { width: 50%; float: left; padding: 0 15px; }
    .one-third { width: 33.333%; float: left; padding: 0 15px; }
    .two-third { width: 66.666%; float: left; padding: 0 15px; }
    .one-fourth { width: 25%; float: left; padding: 0 15px; }
    .valign-middle { display: flex; align-items: center; }
}