Botón de descarga animado

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12 June 2025

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index.html

styles.css

.button.dark {
  --background: #242836;
  --rectangle: #1c212e;
  --arrow: #f5f9ff;
  --text: #f5f9ff;
  --success: #2f3545;
}
.button {
  --background: #275efe;
  --rectangle: #184fee;
  --success: #4672f1;
  --text: #fff;
  --arrow: #fff;
  --checkmark: #fff;
  --shadow: rgba(10, 22, 50, .24);
  display: flex;
  overflow: hidden;
  text-decoration: none;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
  background: var(--background);
  border-radius: 8px;
  box-shadow: 0 2px 8px -1px var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.button:active {
  transform: scale(0.95);
  box-shadow: 0 1px 4px -1px var(--shadow);
}
.button ul {
  margin: 0;
  padding: 16px 40px;
  list-style: none;
  text-align: center;
  position: relative;
  backface-visibility: hidden;
  font-size: 16px;
  font-weight: 500;
  line-height: 28px;
  color: var(--text);
}
.button ul li:not(:first-child) {
  top: 16px;
  left: 0;
  right: 0;
  position: absolute;
}
.button ul li:nth-child(2) {
  top: 76px;
}
.button ul li:nth-child(3) {
  top: 136px;
}
.button > div {
  position: relative;
  width: 60px;
  height: 60px;
  background: var(--rectangle);
}
.button > div:before, .button > div:after {
  content: '';
  display: block;
  position: absolute;
}
.button > div:before {
  border-radius: 1px;
  width: 2px;
  top: 50%;
  left: 50%;
  height: 17px;
  margin: -9px 0 0 -1px;
  background: var(--arrow);
}
.button > div:after {
  width: 60px;
  height: 60px;
  transform-origin: 50% 0;
  border-radius: 0 0 80% 80%;
  background: var(--success);
  top: 0;
  left: 0;
  transform: scaleY(0);
}
.button > div svg {
  display: block;
  position: absolute;
  width: 20px;
  height: 20px;
  left: 50%;
  top: 50%;
  margin: -9px 0 0 -10px;
  fill: none;
  z-index: 1;
  stroke-width: 2px;
  stroke: var(--arrow);
  stroke-linecap: round;
  stroke-linejoin: round;
}
.button.loading ul {
  animation: text calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
.button.loading > div:before {
  animation: line calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
.button.loading > div:after {
  animation: background calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
.button.loading > div svg {
  animation: svg calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
@keyframes text {
  10%, 85% {
    transform: translateY(-100%);
 }
  95%, 100% {
    transform: translateY(-200%);
 }
}
@keyframes line {
  5%, 10% {
    transform: translateY(-30px);
 }
  40% {
    transform: translateY(-20px);
 }
  65% {
    transform: translateY(0);
 }
  75%, 100% {
    transform: translateY(30px);
 }
}
@keyframes svg {
  0%, 20% {
    stroke-dasharray: 0;
    stroke-dashoffset: 0;
 }
  21%, 89% {
    stroke-dasharray: 26px;
    stroke-dashoffset: 26px;
    stroke-width: 3px;
    margin: -10px 0 0 -10px;
    stroke: var(--checkmark);
 }
  100% {
    stroke-dasharray: 26px;
    stroke-dashoffset: 0;
    margin: -10px 0 0 -10px;
    stroke: var(--checkmark);
 }
  12% {
    opacity: 1;
 }
  20%, 89% {
    opacity: 0;
 }
  90%, 100% {
    opacity: 1;
 }
}
@keyframes background {
  10% {
    transform: scaleY(0);
 }
  40% {
    transform: scaleY(0.15);
 }
  65% {
    transform: scaleY(0.5);
    border-radius: 0 0 50% 50%;
 }
  75% {
    border-radius: 0 0 50% 50%;
 }
  90%, 100% {
    border-radius: 0;
 }
  75%, 100% {
    transform: scaleY(1);
 }
}
html {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: inherit;
}
*:before, *:after {
  box-sizing: inherit;
}
body {
  min-height: 100vh;
  display: flex;
  font-family: 'Roboto', Arial;
  justify-content: center;
  align-items: center;
  background: linear-gradient(180deg, #21231f 0%, #247b8f 100%); 
  overflow-y: hidden;
}
body .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
body .container > div {
  flex-basis: 100%;
  width: 0;
}
body .container .button {
  margin: 16px;
}
@media (max-width: 400px) {
  body .container .button {
    margin: 12px;
 }
}

main.js

document.querySelectorAll('.button').forEach(button => {

button.style.setProperty('--duration', duration);

svgPath.y = 20;
    svgPath.smoothing = 0;

button.addEventListener('click', e => {
        
        e.preventDefault();

if(!button.classList.contains('loading')) {

button.classList.add('loading');

gsap.to(svgPath, {
                smoothing: .3,
                duration: duration * .065 / 1000
            });

gsap.to(svgPath, {
                y: 12,
                duration: duration * .265 / 1000,
                delay: duration * .065 / 1000,
                ease: Elastic.easeOut.config(1.12, .4)
            });

setTimeout(() => {
                svg.innerHTML = getPath(0, 0, [
                    [3, 14],
                    [8, 19],
                    [21, 6]
                ]);
            }, duration / 2);

}

});

function getPath(update, smoothing, pointsNew) {
    let points = pointsNew ? pointsNew : [
            [4, 12],
            [12, update],
            [20, 12]
        ],
        d = points.reduce((acc, point, i, a) => i === 0 ? `M ${point[0]},${point[1]}` : `${acc} ${getPoint(point, i, a, smoothing)}`, '');
    return `<path d="${d}" />`;
}

Botón de descarga animado

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Un código de Metehan

Efectos del menú desplegable

Barra de navegación desplazable

index.html

styles.css

main.js

Recomendado

Un código de Metehan

Efectos del menú desplegable

Barra de navegación desplazable

index.htmlCopy

styles.cssCopy

main.js Copy

index.html

styles.css

main.js