ripple-button-effect/style.css at main · DevrajDC/ripple-button-effect · GitHub

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.HOVER {
  --width: 100%;
  --time: 0.7s;
  position: relative;
  display: inline-block;
  height: 1em;
  padding: 1em;
  border-radius: 8px;
  color: white;
  background: #0f117a;
  overflow: hidden;
}
.HOVER text {
  position: relative;
  z-index: 5;
  font-size: 16px;
  font-weight: bold;
  transition: color var(--time);
}
.HOVER span {
  position: absolute;
  display: block;
  content: "";
  z-index: 0;
  width: 0;
  height: 0;
  border-radius: 100%;
  background: #fff;
  transform: translate(-50%, -50%);
  transition: width var(--time), padding-top var(--time);
}
.HOVER:hover span {
  width: calc(var(--width) * 2.25);
  padding-top: calc(var(--width) * 2.25);
}
.HOVER.FLASH:hover text {
  color: white;
}
.HOVER.FLASH span {
  background: #fc5185;
}
.animated {
  --angle: 5deg;
  animation: shake 0.3s;
}

@keyframes shake {
  25% {
    transform: rotate(calc(var(--angle) * -1));
  }
  50% {
    transform: rotate(var(--angle));
  }
  100% {
    transform: rotate(0deg);
  }
}

a {
  text-decoration: none;
}

/* next button */
body {
  height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
}

@import url("https://fonts.googleapis.com/css2?family=Roboto&display=swap");

button {
  position: relative;
  overflow: hidden;
  transition: background 400ms;
  color: #fff;
  background-color: #6200ee;
  padding: 1rem 2rem;
  font-family: "Roboto", sans-serif;
  font-size: 1.5rem;
  outline: 0;
  border: 0;
  border-radius: 0.25rem;
  box-shadow: 0 0 0.5rem rgba(0, 0, 0, 0.3); /* black with 30% opacity */
  cursor: pointer;
}

span.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple 600ms linear;
  background-color: rgba(255, 255, 255, 0.7);
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}