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CSS悬浮

知识库编程技巧CSSSCSS大约 5 分钟

1. 发送效果

[vanilla]
<html>
<div id="send-btn">
  <button>
     <svg xmlns="http://www.w3.org/2000/svg" version="1.1">
       <circle cx="10" cy="10" r="8" stroke="black" stroke-width="2" fill="red"/>
     </svg>
    <span>send</span>
</button>
</div>
</html>
<style>

#send-btn{
  display: flex;
  align-items: center;
  justify-content: center;
}
#send-btn>button {
    background: #5f55af;
    border: 0;
    border-radius: 5px;
    padding: 10px 30px 10px 20px;
    color: white;
    text-transform: uppercase;
    font-weight: bold;
    height: 40px;
    width: 120px;
    cursor: pointer;
}
#send-btn>button svg {
    height: 20px;
    width: 30px;
    float: left;
}
#send-btn>button:hover svg {
  animation: fly 2s ease 1;
}
@keyframes fly {
  0% {
    transform: translateX(0%);
  }

  50% {
    transform: translateX(300%);
  }

  100% {
    transform: translateX(0);
  }
}
</style>

2. 霓虹效果

[vanilla]
<html>
<div id="neon-btn">
  <button class="btn one">Hover me</button>
  <button  class="btn two">Hover me</button>
  <button  class="btn three">Hover me</button>
</div>
</html>
<style>
#neon-btn {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 10vh;
  background: #031628;
}
#neon-btn>.btn {
  border: 1px solid;
  background-color: transparent;
  text-transform: uppercase;
  font-size: 14px;
  padding: 10px 20px;
  font-weight: 300;
  cursor: pointer;
}
#neon-btn>.one {
  color: #4cc9f0;
}
#neon-btn>.two {
  color: #f038ff;
}
#neon-btn>.three {
  color: #b9e769;
}
#neon-btn>.btn:hover {
  color: white;
  border: 0;
}
#neon-btn>.one:hover {
  background-color: #4cc9f0;
  -webkit-box-shadow: 10px 10px 99px 6px rgba(76,201,240,1);
  -moz-box-shadow: 10px 10px 99px 6px rgba(76,201,240,1);
  box-shadow: 10px 10px 99px 6px rgba(76,201,240,1);
}
#neon-btn>.two:hover {
  background-color: #f038ff;
  -webkit-box-shadow: 10px 10px 99px 6px rgba(240, 56, 255, 1);
  -moz-box-shadow: 10px 10px 99px 6px rgba(240, 56, 255, 1);
  box-shadow: 10px 10px 99px 6px rgba(240, 56, 255, 1);
}
#neon-btn>.three:hover {
  background-color: #b9e769;
  -webkit-box-shadow: 10px 10px 99px 6px rgba(185, 231, 105, 1);
  -moz-box-shadow: 10px 10px 99px 6px rgba(185, 231, 105, 1);
  box-shadow: 10px 10px 99px 6px rgba(185, 231, 105, 1);
}
</style>

3. 边框效果

[vanilla]
<html>
<div id="draw-border">
  <button>Hover me</button>
</div>
</html>
<style>
#draw-border {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 10vh;
}
#draw-border>button {
  border: 0;
  background: none;
  text-transform: uppercase;
  color: #4361ee;
  font-weight: bold;
  position: relative;
  outline: none;
  padding: 10px 20px;
  box-sizing: border-box;
  cursor: pointer;
}
#draw-border>button::before, #draw-border>button::after {
  box-sizing: inherit;
  position: absolute;
  content: '';
  border: 2px solid transparent;
  width: 0;
  height: 0;
}
#draw-border>button::after {
  bottom: 0;
  right: 0;
}
#draw-border>button::before {
  top: 0;
  left: 0;
}
#draw-border>button:hover::before, #draw-border>button:hover::after {
  width: 100%;
  height: 100%;
}
#draw-border>button:hover::before {
  border-top-color: #4361ee;
  border-right-color: #4361ee;
  transition: width 0.3s ease-out, height 0.3s ease-out 0.3s;
}
#draw-border>button:hover::after {
  border-bottom-color: #4361ee;
  border-left-color: #4361ee;
  transition: border-color 0s ease-out 0.6s, width 0.3s ease-out 0.6s, height 0.3s ease-out 1s;
}
</style>

4. 圆形效果

[vanilla]
<html>
<div id="circle-btn">
  <div class="btn-container">
    <button>Hover me</button>
  </div>
</div>
</html>
<style>

#circle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 10vh;
}

#circle-btn>.btn-container {
  position: relative;
}

#circle-btn button {
  border: 0;
  border-radius: 50px;
  color: white;
  background: #5f55af;
  padding: 15px 20px 16px 60px;
  text-transform: uppercase;
  background: linear-gradient(to right, #f72585 50%, #5f55af 50%);
  background-size: 200% 100%;
  background-position: right bottom;
  transition:all 2s ease;
  cursor: pointer;
}

#circle-btn svg {
  background: #f72585;
  padding: 8px;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 0%;
}

#circle-btn button:hover {
   background-position: left bottom;
}
</style>

5. 圆角效果

[vanilla]
<html>
<div id="border-btn">
  <button>Hover me</button>
</div>
</html>
<style>
#border-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 10vh;
}
#border-btn>button {
  border: 0;
  border-radius: 10px;
  background: #2ec4b6;
  text-transform: uppercase;
  color: white;
  font-size: 16px;
  font-weight: bold;
  padding: 15px 30px;
  outline: none;
  position: relative;
  transition: border-radius 3s;
  -webkit-transition: border-radius 3s;
  cursor: pointer;
}
#border-btn>button:hover {
   border-bottom-right-radius: 50px;
   border-top-left-radius: 50px;
   border-bottom-left-radius: 10px;
   border-top-right-radius: 10px;
}
</style>

6. 冰冻效果

[vanilla]
<html>
<div id="frozen-btn">
  <button class="green">Hover me</button>
  <button class="purple">Hover me</button>
</div>
</html>
<style>
#frozen-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 10vh;
}
#frozen-btn>button {
  border: 0;
  margin: 20px;
  text-transform: uppercase;
  font-size: 20px;
  font-weight: bold;
  padding: 15px 50px;
  border-radius: 50px;
  color: white;
  outline: none;
  position: relative;
 cursor: pointer;
}
#frozen-btn>button:before{
  content: '';
  display: block;
  background: linear-gradient(to left, rgba(255, 255, 255, 0) 50%, rgba(255, 255, 255, 0.4) 50%);
  background-size: 210% 100%;
  background-position: right bottom;
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  bottom:0;
  right:0;
  left: 0;
  border-radius: 50px;
  transition: all 1s;
  -webkit-transition: all 1s;
}
#frozen-btn>.green {
   background-image: linear-gradient(to right, #25aae1, #40e495);
   box-shadow: 0 4px 15px 0 rgba(49, 196, 190, 0.75);
}
#frozen-btn>.purple {
   background-image: linear-gradient(to right, #6253e1, #852D91);
   box-shadow: 0 4px 15px 0 rgba(236, 116, 149, 0.75);
}
#frozen-btn>.purple:hover:before {
  background-position: left bottom;
}
#frozen-btn>.green:hover:before {
  background-position: left bottom;
}
</style>

7. 闪亮效果

[vanilla]
<html>
<div id="shiny-shadow">
  <button><span>Hover me</span></button>
</div>
</html>
<style>
#shiny-shadow {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 10vh;
  background: #1c2541;
}
#shiny-shadow>button {
  border: 2px solid white;
  background: transparent;
  text-transform: uppercase;
  color: white;
  padding: 15px 50px;
  outline: none;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

#shiny-shadow span {
  z-index: 20;
}
#shiny-shadow>button:after {
  content: '';
    display: block;
    position: absolute;
    top: -36px;
    left: -100px;
    background: white;
    width: 50px;
    height: 125px;
    opacity: 20%;
    transform: rotate(-45deg);
}
#shiny-shadow>button:hover:after {
  left: 120%;
  transition: all 600ms cubic-bezier(0.3, 1, 0.2, 1);
   -webkit-transition: all 600ms cubic-bezier(0.3, 1, 0.2, 1);
}
</style>

8. 加载效果

[vanilla]
<html>
<div id="loading-btn">
  <button><span>Hover me</span></button>
</div>
</html>
<style>
#loading-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 10vh;
}
#loading-btn>button {
  background: transparent;
  border: 0;
  border-radius: 0;
  text-transform: uppercase;
  font-weight: bold;
  font-size: 20px;
  padding: 15px 50px;
  position: relative;
  cursor: pointer;
}
#loading-btn>button:before {
  transition: all 0.8s cubic-bezier(0.7, -0.5, 0.2, 2);
  content: '';
  width: 1%;
  height: 100%;
  background: #ff5964;
  position: absolute;
  top: 0;
  left: 0;
}
#loading-btn>button span {
  mix-blend-mode: darken;
}
#loading-btn>button:hover:before {
  background: #ff5964;
  width: 100%;
}
</style>

9. animation动画

[vanilla]
<html>
  <div class="animationBox">
    <div class="rotate">旋转动画1</div>
    <div class="play">
      <div class="img">旋转动画2</div>
      <span><p class="p2"></p></span>
      <span><p></p></span>
      <span><p></p></span>
      <span><p class="p2"></p></span>
    </div>
    <div class="elasticity">弹性动画</div>
    <div class="elasticity2">曲线弹性</div>
  </div>
</html>

<style>
  .animationBox{overflow: hidden;}
  .animationBox>div{
    width: 100px;height: 100px;background: #eee;border-radius: 50%;text-align: center;line-height: 100px;margin: 30px;float:left;
  }
  .rotate{
    animation: rotate 5s linear infinite
  }
  .rotate:hover{ animation-play-state: paused}
  @keyframes rotate {
    0%{transform: rotate(0);}
  100%{transform: rotate(360deg);}
  }
  .animationBox>.play {
    position: relative;
    margin: 50px 30px;
    background:none;
  }
  .play .img{
    position: absolute;
    top: 0;
    left:0;
    z-index: 1;
    width: 100px;height: 100px; background: #eee;
    border-radius: 50%;

    animation: rotate 5s linear infinite
  }
  .play span {
    position: absolute;
    top: 1px;
    left:1px;
    z-index: 0;
    display: block;
    width: 96px;
    height: 96px;
    border: 1px solid #999;
    border-radius: 50%;
  }
  .play span p{display: block;width: 4px;height: 4px;background: #000;margin: -2px 0 0 50%;border-radius: 50%;opacity: 0.5;}
  .play span .p2{margin: 50% 0 0 -2px;}
  .play span{
    animation: wave 5s linear infinite
  }
  .play>span:nth-child(3){
    /* 延迟时间 */
    animation-delay:1s; 
  }
  .play>span:nth-child(4){
    animation-delay:2.2s;
  }
  .play>span:nth-child(5){
    animation-delay:3.8s;
  }
  
  @keyframes wave {
    0%
    {
      transform:scale(1) rotate(360deg);
      opacity: 0.8;
    }
  100%
    {
      transform:scale(1.8) rotate(0deg);
      opacity: 0;
    }
  }


  .elasticity{
    /* 参数说明
      动画名称 花费时间 贝塞尔曲线 延迟开始时间 播放次数n|infinite  是否反向播放动画
    */
    animation: elasticity 1s linear 2s infinite
  }
  
  @keyframes elasticity{
    0%{
      transform: scale(0);
    }
    60%{
      transform: scale(1.1);
    }
    90%{
      transform: scale(1);
    }
  }
  

  .elasticity2{
    /**
    贝塞尔曲线 cubic-bezier(x1,y1,x2,y2)

    通过调整贝塞尔曲线可以设置出多种动画效果，比如反弹效果等
    X轴的范围是0~1，Y轴的取值没有规定，但是也不宜过大
    直线：linear，即cubic-bezier(0,0,1,1)

    贝塞尔曲线在线工具：https://cubic-bezier.com/#.17,.67,.83,.67
      */
    animation: elasticity2 1s cubic-bezier(.39,.62,.74,1.39) 2s infinite
  }
  @keyframes elasticity2{
    0%{
      transform: scale(0);
    }
    90%{
      transform: scale(1);
    }
  }
</style>