@keyframes breathing{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.download-btn{overflow:hidden;animation:breathing 3s ease-in-out infinite}.seize-btn{position:relative}.seize-btn:after{content:"";position:absolute;top:0;left:-150%;width:100%;height:100%;background:linear-gradient(120deg,hsla(0,0%,100%,0) 30%,hsla(0,0%,100%,.5) 50%,hsla(0,0%,100%,0) 70%);transform:skewX(-25deg);animation:shine 2.5s ease-in-out infinite;z-index:-1}@keyframes shine{0%{left:-100%}to{left:100%}}