#cookie-popup-box { position: fixed; bottom: 0; left: 19px; right: 19px; width: calc(100% - 38px); background: linear-gradient(45deg, #FF5733, #FFBD33); color: #fff; padding: 15px; box-sizing: border-box; display: flex; justify-content: space-between; align-items: center; z-index: 9999; } #cookie-popup-box .close-btn { background: transparent; border: none; font-size: 18px; color: #fff; cursor: pointer; } @media(min-width: 768px) { #cookie-popup-box { width: calc(90% - 38px); left: 5%; } }