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HTML
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Button
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CSS
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:root { --bg: #2E3B4E; --primary: #FF6F61; --solid: #FFFFFF; --btn-w: 10em; --dot-w: calc(var(--btn-w) * 0.2); --tr-X: calc(var(--btn-w) - var(--dot-w)); } * { box-sizing: border-box; } *:before, *:after { box-sizing: border-box; } body { height: 100vh; display: flex; justify-content: center; align-items: center; flex-flow: wrap; background: var(--bg); font-size: 20px; font-family: 'Titillium Web', sans-serif; } h1 { color: var(--solid); font-size: 2.5rem; margin-top: 6rem; } .btn { position: relative; margin: 0 auto; width: var(--btn-w); color: var(--primary); border: .15em solid var(--primary); border-radius: 5em; text-transform: uppercase; text-align: center; font-size: 1.3em; line-height: 2em; cursor: pointer; } .dot { content: ''; position: absolute; top: 0; width: var(--dot-w); height: 100%; border-radius: 100%; transition: all 300ms ease; display: none; } .dot:after { content: ''; position: absolute; left: calc(50% - .4em); top: -.4em; height: .8em; width: .8em; background: var(--primary); border-radius: 1em; border: .25em solid var(--solid); box-shadow: 0 0 .7em var(--solid), 0 0 2em var(--primary); } .btn:hover .dot, .btn:focus .dot { animation: atom 2s infinite linear; display: block; } @keyframes atom { 0% {transform: translateX(0) rotate(0);} 30% {transform: translateX(var(--tr-X)) rotate(0);} 50% {transform: translateX(var(--tr-X)) rotate(180deg);} 80% {transform: translateX(0) rotate(180deg);} 100% {transform: translateX(0) rotate(360deg);} }
JS
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/* Replace with your JS Code (Leave empty if not needed) */