@keyframes shimmer{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}@keyframes shine{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}.google-button{background:linear-gradient(145deg,rgba(66,133,244,.04),rgba(234,67,53,.04) 25%,rgba(251,188,5,.04) 50%,rgba(52,168,83,.04) 75%,rgba(66,133,244,.04));background-size:300% 300%;animation:shimmer 3s ease infinite}.shine-effect{background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.7) 50%,transparent 60%);background-size:200% 200%;animation:shine 1.5s ease-out infinite}