按钮 · Young Dragon

类型：组件　·　分类：按钮　·　收录：2026-09-19　·　源码：会员可见

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<button>
  <span class="txt">submit</span>
  <span class="txt2">sent!</span>
  <span class="loader-container">
    <span class="loader"></span>
  </span>
</button>
<style>
/* From Uiverse.io by KINGFRESS - Tags: button, progress bar */
button {
  background-color: transparent;
  width: 13em;
  height: 3.3em;
  border: 2px solid #1abc9c;
  border-radius: 25px;
  font-weight: bold;
  text-transform: uppercase;
  color: #1abc9c;
  padding: 2px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

button .txt {
  transition: .4s ease-in-out;
  position: absolute;
}

button .txt2 {
  transform: translateY(1em) scale(0);
  color: #212121;
  position: absolute;
}

button .loader-container {
  height: 100%;
  width: 100%;
  background-color: transparent;
  border-radius: inherit;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: -1;
  overflow: hidden;
}

button .loader-container .loader {
  height: 100%;
  width: 100%;
  background-color: #1abc9c;
  border-radius: inherit;
  transform: translateX(-13em);
}

button:focus {
  transition: .4s ease-in-out .4s;
  animation: scaling 1.5s ease-in-out 0s 1 both;
}

button:focus .txt {
  position: absolute;
  transform: translateY(-5em);
  transition: .4s ease-in-out;
}

button:focus .txt2 {
  transform: translateY(0) scale(1);
  transition: .3s ease-in-out 1.7s;
}

button:focus .loader {
  display: block;
  transform: translate(0);
  transition: .8s cubic-bezier(0,.4,1,.28) .4s;
  animation: loading;
}

@keyframes scaling {
  20% {
    height: 1.5em;
  }

  80% {
    height: 1.5em;
  }

  100% {
    height: 3.3em;
  }
}
</style>

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