CSS 필터를 사용하여 웹사이트를 더욱 멋지고 수집할 가치가 있게 만드는 팁!

<div class="container">
  <div class="circle"></div>
  <div class="circle"></div>
  <div class="circle"></div>
  <div class="circle"></div>
  <div class="circle"></div>
</div>

.container {
  margin: 10px auto;
  height: 140px;
  width: 300px;
  background: #fff;       //父元素设置背景色
  display: flex;
  align-items: center;
  filter: contrast(30);   //父元素设置contrast
}
.circle {
  height: 50px;
  width: 60px;
  background: #1aa7ff;
  border-radius: 50%;
  position: absolute;
  filter: blur(20px);    //子元素设置blur
  transform: scale(0.1);
  transform-origin: left top;
}
.circle{
  animation: move 4s cubic-bezier(.44,.79,.83,.96) infinite;
}
.circle:nth-child(2) {
  animation-delay: .4s;
}
.circle:nth-child(3) {
  animation-delay: .8s;
}
.circle:nth-child(4) {
  animation-delay: 1.2s;
}
.circle:nth-child(5) {
  animation-delay: 1.6s;
}
@keyframes move{     //子元素的位移和尺寸动画
  0%{
    transform: translateX(10px) scale(0.3);
  }
  45%{
    transform: translateX(135px) scale(0.8);
  }
  85%{
    transform: translateX(270px) scale(0.1);
  }
}

<div class="container">
  <span class="text">fantastic</span>
</div>

.container{
  margin-top: 50px;
  text-align: center;
  background-color: #000;
  filter: contrast(30);
}
.text{
  font-size: 100px;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  letter-spacing: -40px;
  color: #fff;
  animation: move-letter 4s linear forwards;  //forwards当动画完成后，保持最后一帧的状态
}
@keyframes move-letter{
  0% {
    opacity: 0;
    letter-spacing: -40px;
    filter: blur(10px);
  }
  25% {
    opacity: 1;
  }
  50% {
    filter: blur(5px);
  }
  100% {
    letter-spacing: 20px;
    filter: blur(2px);
  }
}

<div class="container">
  <img  src="images/moon.jpg" alt="CSS 필터를 사용하여 웹사이트를 더욱 멋지고 수집할 가치가 있게 만드는 팁!" >
  <img  src="images/moon.jpg" class="reflect" alt="CSS 필터를 사용하여 웹사이트를 더욱 멋지고 수집할 가치가 있게 만드는 팁!" >
</div>

<!--定义svg滤镜，这里使用的是feTurbulence滤镜-->
<svg width="0" height="0">
    <filter id="displacement-wave-filter">
    
      <!--baseFrequency设置0.01 0.09两个值，代表x轴和y轴的噪声频率-->  
      <feTurbulence baseFrequency="0.01 0.09">
        
        <!--这是svg动画的定义方式，通过动画不断改变baseFrequency的值，从而形成波动效果-->
        <animate attributeName="baseFrequency"
        dur="20s" keyTimes="0;0.5;1" values="0.01 0.09;0.02 0.13;0.01 0.09"
        repeatCount="indefinite" ></animate>
        
      </feTurbulence>
      <feDisplacementMap in="SourceGraphic" scale="10" /> 
    </filter>
</svg>

.container{
   height: 520px;
   width: 400px;
   display: flex;
   clip-path: inset(10px);
   flex-direction: column;
}
img{
  height: 50%;
  width: 100%;
}
.reflect {
  transform: translateY(-2px) scaleY(-1);
  //对模拟倒影的元素应用svg filter
  //url中对应的是上面svg filter的id
  filter: url(#displacement-wave-filter);  
}

.shaky{
  font-size: 60px;
  filter: url(#displacement-text-filter);   //url中对应的是上面svg filter的id
}

<div class="container">
  <div class="circle"></div>
  <div class="circle"></div>
  <div class="circle"></div>
  <div class="circle"></div>
  <div class="circle"></div>
</div>

.container {
  margin: 10px auto;
  height: 140px;
  width: 300px;
  background: #fff;       //父元素设置背景色
  display: flex;
  align-items: center;
  filter: contrast(30);   //父元素设置contrast
}
.circle {
  height: 50px;
  width: 60px;
  background: #1aa7ff;
  border-radius: 50%;
  position: absolute;
  filter: blur(20px);    //子元素设置blur
  transform: scale(0.1);
  transform-origin: left top;
}
.circle{
  animation: move 4s cubic-bezier(.44,.79,.83,.96) infinite;
}
.circle:nth-child(2) {
  animation-delay: .4s;
}
.circle:nth-child(3) {
  animation-delay: .8s;
}
.circle:nth-child(4) {
  animation-delay: 1.2s;
}
.circle:nth-child(5) {
  animation-delay: 1.6s;
}
@keyframes move{     //子元素的位移和尺寸动画
  0%{
    transform: translateX(10px) scale(0.3);
  }
  45%{
    transform: translateX(135px) scale(0.8);
  }
  85%{
    transform: translateX(270px) scale(0.1);
  }
}

<div class="container">
  <span class="text">fantastic</span>
</div>

.container{
  margin-top: 50px;
  text-align: center;
  background-color: #000;
  filter: contrast(30);
}
.text{
  font-size: 100px;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  letter-spacing: -40px;
  color: #fff;
  animation: move-letter 4s linear forwards;  //forwards当动画完成后，保持最后一帧的状态
}
@keyframes move-letter{
  0% {
    opacity: 0;
    letter-spacing: -40px;
    filter: blur(10px);
  }
  25% {
    opacity: 1;
  }
  50% {
    filter: blur(5px);
  }
  100% {
    letter-spacing: 20px;
    filter: blur(2px);
  }
}