.icono-scroll{position:absolute;bottom:12.5vh;left:calc(50vw - 20px);width:40px;height:40px;border:2px solid #fff;border-radius:50%;animation:down 1.5s infinite;-webkit-animation:down 1.5s infinite;&::before{content:'';position:absolute;top:7px;left:10px;width:16px;height:16px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}}@keyframes down{0%{transform:translate(0)}20%{transform:translateY(15px)}40%{transform:translate(0)}}@-webkit-keyframes down{0%{transform:translate(0)}20%{transform:translateY(15px)}40%{transform:translate(0)}}@keyframes scroll{0%{height:40px}30%{height:70px}60%{height:40px}}@-webkit-keyframes scroll{0%{height:40px}30%{height:70px}60%{height:40px}