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CSS
1.voltage-button { 2 position: relative; 3} 4 5.voltage-button button { 6 color: white; 7 background: #0D1127; 8 padding: 1rem 3rem 1rem 3rem; 9 border-radius: 5rem; 10 border: 5px solid #5978F3; 11 font-size: 1.2rem; 12 line-height: 1em; 13 letter-spacing: 0.075em; 14 transition: background 0.3s; 15} 16 17.voltage-button button:hover { 18 cursor: pointer; 19 background: #0F1C53; 20} 21 22.voltage-button button:hover + svg, .voltage-button button:hover + svg + .dots { 23 opacity: 1; 24} 25 26.voltage-button svg { 27 display: block; 28 position: absolute; 29 top: -0.75em; 30 left: -0.25em; 31 width: calc(100% + 0.5em); 32 height: calc(100% + 1.5em); 33 pointer-events: none; 34 opacity: 0; 35 transition: opacity 0.4s; 36 transition-delay: 0.1s; 37} 38 39.voltage-button svg path { 40 stroke-dasharray: 100; 41 filter: url("#glow"); 42} 43 44.voltage-button svg path.line-1 { 45 stroke: #f6de8d; 46 stroke-dashoffset: 0; 47 animation: spark-1 3s linear infinite; 48} 49 50.voltage-button svg path.line-2 { 51 stroke: #6bfeff; 52 stroke-dashoffset: 500; 53 animation: spark-2 3s linear infinite; 54} 55 56.voltage-button .dots { 57 opacity: 0; 58 transition: opacity 0.3s; 59 transition-delay: 0.4s; 60} 61 62.voltage-button .dots .dot { 63 width: 1rem; 64 height: 1rem; 65 background: white; 66 border-radius: 100%; 67 position: absolute; 68 opacity: 0; 69} 70 71.voltage-button .dots .dot-1 { 72 top: 0; 73 left: 20%; 74 animation: fly-up 3s linear infinite; 75} 76 77.voltage-button .dots .dot-2 { 78 top: 0; 79 left: 55%; 80 animation: fly-up 3s linear infinite; 81 animation-delay: 0.5s; 82} 83 84.voltage-button .dots .dot-3 { 85 top: 0; 86 left: 80%; 87 animation: fly-up 3s linear infinite; 88 animation-delay: 1s; 89} 90 91.voltage-button .dots .dot-4 { 92 bottom: 0; 93 left: 30%; 94 animation: fly-down 3s linear infinite; 95 animation-delay: 2.5s; 96} 97 98.voltage-button .dots .dot-5 { 99 bottom: 0; 100 left: 65%; 101 animation: fly-down 3s linear infinite; 102 animation-delay: 1.5s; 103} 104 105@keyframes spark-1 { 106 to { 107 stroke-dashoffset: -1000; 108 } 109} 110 111@keyframes spark-2 { 112 to { 113 stroke-dashoffset: -500; 114 } 115} 116 117@keyframes fly-up { 118 0% { 119 opacity: 0; 120 transform: translateY(0) scale(0.2); 121 } 122 123 5% { 124 opacity: 1; 125 transform: translateY(-1.5rem) scale(0.4); 126 } 127 128 10%, 100% { 129 opacity: 0; 130 transform: translateY(-3rem) scale(0.2); 131 } 132} 133 134@keyframes fly-down { 135 0% { 136 opacity: 0; 137 transform: translateY(0) scale(0.2); 138 } 139 140 5% { 141 opacity: 1; 142 transform: translateY(1.5rem) scale(0.4); 143 } 144 145 10%, 100% { 146 opacity: 0; 147 transform: translateY(3rem) scale(0.2); 148 } 149} 150
HTML
1<div class="voltage-button"> 2 3 <button>Button</button> 4 <svg version="1.1" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 234.6 61.3" preserveAspectRatio="none" xml:space="preserve"> 5 6 <filter id="glow"> 7 <feGaussianBlur class="blur" result="coloredBlur" stdDeviation="2"></feGaussianBlur> 8 <feTurbulence type="fractalNoise" baseFrequency="0.075" numOctaves="0.3" result="turbulence"></feTurbulence> 9 <feDisplacementMap in="SourceGraphic" in2="turbulence" scale="30" xChannelSelector="R" yChannelSelector="G" result="displace"></feDisplacementMap> 10 <feMerge> 11 <feMergeNode in="coloredBlur"></feMergeNode> 12 <feMergeNode in="coloredBlur"></feMergeNode> 13 <feMergeNode in="coloredBlur"></feMergeNode> 14 <feMergeNode in="displace"></feMergeNode> 15 <feMergeNode in="SourceGraphic"></feMergeNode> 16 </feMerge> 17 </filter> 18 <path class="voltage line-1" d="m216.3 51.2c-3.7 0-3.7-1.1-7.3-1.1-3.7 0-3.7 6.8-7.3 6.8-3.7 0-3.7-4.6-7.3-4.6-3.7 0-3.7 3.6-7.3 3.6-3.7 0-3.7-0.9-7.3-0.9-3.7 0-3.7-2.7-7.3-2.7-3.7 0-3.7 7.8-7.3 7.8-3.7 0-3.7-4.9-7.3-4.9-3.7 0-3.7-7.8-7.3-7.8-3.7 0-3.7-1.1-7.3-1.1-3.7 0-3.7 3.1-7.3 3.1-3.7 0-3.7 10.9-7.3 10.9-3.7 0-3.7-12.5-7.3-12.5-3.7 0-3.7 4.6-7.3 4.6-3.7 0-3.7 4.5-7.3 4.5-3.7 0-3.7 3.6-7.3 3.6-3.7 0-3.7-10-7.3-10-3.7 0-3.7-0.4-7.3-0.4-3.7 0-3.7 2.3-7.3 2.3-3.7 0-3.7 7.1-7.3 7.1-3.7 0-3.7-11.2-7.3-11.2-3.7 0-3.7 3.5-7.3 3.5-3.7 0-3.7 3.6-7.3 3.6-3.7 0-3.7-2.9-7.3-2.9-3.7 0-3.7 8.4-7.3 8.4-3.7 0-3.7-14.6-7.3-14.6-3.7 0-3.7 5.8-7.3 5.8-2.2 0-3.8-0.4-5.5-1.5-1.8-1.1-1.8-2.9-2.9-4.8-1-1.8 1.9-2.7 1.9-4.8 0-3.4-2.1-3.4-2.1-6.8s-9.9-3.4-9.9-6.8 8-3.4 8-6.8c0-2.2 2.1-2.4 3.1-4.2 1.1-1.8 0.2-3.9 2-5 1.8-1 3.1-7.9 5.3-7.9 3.7 0 3.7 0.9 7.3 0.9 3.7 0 3.7 6.7 7.3 6.7 3.7 0 3.7-1.8 7.3-1.8 3.7 0 3.7-0.6 7.3-0.6 3.7 0 3.7-7.8 7.3-7.8h7.3c3.7 0 3.7 4.7 7.3 4.7 3.7 0 3.7-1.1 7.3-1.1 3.7 0 3.7 11.6 7.3 11.6 3.7 0 3.7-2.6 7.3-2.6 3.7 0 3.7-12.9 7.3-12.9 3.7 0 3.7 10.9 7.3 10.9 3.7 0 3.7 1.3 7.3 1.3 3.7 0 3.7-8.7 7.3-8.7 3.7 0 3.7 11.5 7.3 11.5 3.7 0 3.7-1.4 7.3-1.4 3.7 0 3.7-2.6 7.3-2.6 3.7 0 3.7-5.8 7.3-5.8 3.7 0 3.7-1.3 7.3-1.3 3.7 0 3.7 6.6 7.3 6.6s3.7-9.3 7.3-9.3c3.7 0 3.7 0.2 7.3 0.2 3.7 0 3.7 8.5 7.3 8.5 3.7 0 3.7 0.2 7.3 0.2 3.7 0 3.7-1.5 7.3-1.5 3.7 0 3.7 1.6 7.3 1.6s3.7-5.1 7.3-5.1c2.2 0 0.6 9.6 2.4 10.7s4.1-2 5.1-0.1c1 1.8 10.3 2.2 10.3 4.3 0 3.4-10.7 3.4-10.7 6.8s1.2 3.4 1.2 6.8 1.9 3.4 1.9 6.8c0 2.2 7.2 7.7 6.2 9.5-1.1 1.8-12.3-6.5-14.1-5.5-1.7 0.9-0.1 6.2-2.2 6.2z" fill="transparent" stroke="#fff"></path> 19 <path class="voltage line-2" d="m216.3 52.1c-3 0-3-0.5-6-0.5s-3 3-6 3-3-2-6-2-3 1.6-6 1.6-3-0.4-6-0.4-3-1.2-6-1.2-3 3.4-6 3.4-3-2.2-6-2.2-3-3.4-6-3.4-3-0.5-6-0.5-3 1.4-6 1.4-3 4.8-6 4.8-3-5.5-6-5.5-3 2-6 2-3 2-6 2-3 1.6-6 1.6-3-4.4-6-4.4-3-0.2-6-0.2-3 1-6 1-3 3.1-6 3.1-3-4.9-6-4.9-3 1.5-6 1.5-3 1.6-6 1.6-3-1.3-6-1.3-3 3.7-6 3.7-3-6.4-6-6.4-3 2.5-6 2.5h-6c-3 0-3-0.6-6-0.6s-3-1.4-6-1.4-3 0.9-6 0.9-3 4.3-6 4.3-3-3.5-6-3.5c-2.2 0-3.4-1.3-5.2-2.3-1.8-1.1-3.6-1.5-4.6-3.3s-4.4-3.5-4.4-5.7c0-3.4 0.4-3.4 0.4-6.8s2.9-3.4 2.9-6.8-0.8-3.4-0.8-6.8c0-2.2 0.3-4.2 1.3-5.9 1.1-1.8 0.8-6.2 2.6-7.3 1.8-1 5.5-2 7.7-2 3 0 3 2 6 2s3-0.5 6-0.5 3 5.1 6 5.1 3-1.1 6-1.1 3-5.6 6-5.6 3 4.8 6 4.8 3 0.6 6 0.6 3-3.8 6-3.8 3 5.1 6 5.1 3-0.6 6-0.6 3-1.2 6-1.2 3-2.6 6-2.6 3-0.6 6-0.6 3 2.9 6 2.9 3-4.1 6-4.1 3 0.1 6 0.1 3 3.7 6 3.7 3 0.1 6 0.1 3-0.6 6-0.6 3 0.7 6 0.7 3-2.2 6-2.2 3 4.4 6 4.4 3-1.7 6-1.7 3-4 6-4 3 4.7 6 4.7 3-0.5 6-0.5 3-0.8 6-0.8 3-3.8 6-3.8 3 6.3 6 6.3 3-4.8 6-4.8 3 1.9 6 1.9 3-1.9 6-1.9 3 1.3 6 1.3c2.2 0 5-0.5 6.7 0.5 1.8 1.1 2.4 4 3.5 5.8 1 1.8 0.3 3.7 0.3 5.9 0 3.4 3.4 3.4 3.4 6.8s-3.3 3.4-3.3 6.8 4 3.4 4 6.8c0 2.2-6 2.7-7 4.4-1.1 1.8 1.1 6.7-0.7 7.7-1.6 0.8-4.7-1.1-6.8-1.1z" fill="transparent" stroke="#fff"></path> 20 </svg> 21 <div class="dots"> 22 <div class="dot dot-1"></div> 23 <div class="dot dot-2"></div> 24 <div class="dot dot-3"></div> 25 <div class="dot dot-4"></div> 26 <div class="dot dot-5"></div> 27 </div> 28</div>