@media screen and (max-width: 768px) { .mobileBtn:active { animation-name: btn-background; animation-duration: .5s; animation-iteration-count: 1; animation-timing-function: steps(1, end); animation-fill-mode: forwards; } } .folding-margin-remove { margin: 0 -10px -5.5px; } .folding-margin-remove-width { margin: 0 -10px -5.5px; } .folding-margin-remove-width-multi { margin: 0 -10px 0; } .tit-margin-remove { margin: -5.5px -10px; } @keyframes btn-background { from { background: rgba(118, 205, 238, .6); } to { background: initial; } }