三种爱心代码html（文本文档即可实现）

第一种：

代码如下： 

  
    
    
 
    
      html,
      body {
        height: 100%;
        padding: 0;
        margin: 0;
        background: #000;
      }
      canvas {
        position: absolute;
        width: 100%;
        height: 100%;
        animation: anim 1.5s ease-in-out infinite;
        -webkit-animation: anim 1.5s ease-in-out infinite;
        -o-animation: anim 1.5s ease-in-out infinite;
        -moz-animation: anim 1.5s ease-in-out infinite;
      }
      #name {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin-top: -20px;
        font-size: 30px;
        color: #ea80b0;
      }
      @keyframes anim {
        0% {
          transform: scale(0.8);
        }
        25% {
          transform: scale(0.7);
        }
        50% {
          transform: scale(1);
        }
        75% {
          transform: scale(0.7);
        }
        100% {
          transform: scale(0.8);
        }
      }
      @-webkit-keyframes anim {
        0% {
          -webkit-transform: scale(0.8);
        }
        25% {
          -webkit-transform: scale(0.7);
        }
        50% {
          -webkit-transform: scale(1);
        }
        75% {
          -webkit-transform: scale(0.7);
        }
        100% {
          -webkit-transform: scale(0.8);
        }
      }
      @-o-keyframes anim {
        0% {
          -o-transform: scale(0.8);
        }
        25% {
          -o-transform: scale(0.7);
        }
        50% {
          -o-transform: scale(1);
        }
        75% {
          -o-transform: scale(0.7);
        }
        100% {
          -o-transform: scale(0.8);
        }
      }
      @-moz-keyframes anim {
        0% {
          -moz-transform: scale(0.8);
        }
        25% {
          -moz-transform: scale(0.7);
        }
        50% {
          -moz-transform: scale(1);
        }
        75% {
          -moz-transform: scale(0.7);
        }
        100% {
          -moz-transform: scale(0.8);
        }
      }
    
  
  
    
    
     
xxx

I Love You

 
 
    
  

第二种

 代码如下：

 

    
    
    
    
    
    
        html,
        body {
 
            height: 100%;
            padding: 0;
            margin: 0;
            background: #000;
        }
 
        canvas {
 
            position: absolute;
            width: 100%;
            height: 100%;
        }
    

 

    
    

 

第三种

 代码如下：

    
    
    
    
    
        * {
            margin: 0;
            padding: 0;
        }

        .loveBox {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: rgb(36, 40, 66);
        }

        .loveLine {
            height: 200px;
        }

        .loveLine li {
            float: left;
            list-style: none;
            width: 20px;
            height: 20px;
            border-radius: 10px;
            margin-right: 10px;
        }

        .loveLine li:nth-child(1) {
            background-color: red;
            animation: jump1 3s infinite;
        }

        .loveLine li:nth-child(2) {
            background-color: rgb(238, 118, 5);
            animation: jump2 3s 0.2s infinite;
        }

        .loveLine li:nth-child(3) {
            background-color: rgb(106, 10, 233);
            animation: jump3 3s 0.4s infinite;
        }

        .loveLine li:nth-child(4) {
            background-color: darkmagenta;
            animation: jump4 3s 0.6s infinite;
        }

        .loveLine li:nth-child(5) {
            background-color: rgb(245, 11, 147);
            animation: jump5 3s 0.8s infinite;
        }

        .loveLine li:nth-child(6) {
            background-color: rgb(32, 9, 231);
            animation: jump4 3s 1.0s infinite;
        }

        .loveLine li:nth-child(7) {
            background-color: rgb(36, 170, 81);
            animation: jump3 3s 1.2s infinite;
        }

        .loveLine li:nth-child(8) {
            background-color: #f62e74;
            animation: jump2 3s 1.4s infinite;
        }

        .loveLine li:nth-child(9) {
            background-color: red;
            animation: jump1 3s 1.6s infinite;
        }

        @keyframes jump1 {

            30%,
            50% {
                height: 60px;
                transform: translateY(-30px);
            }

            70%,
            100% {
                height: 20px;
                transform: translateY(0px);
            }
        }

        @keyframes jump2 {

            30%,
            50% {
                height: 120px;
                transform: translateY(-60px);
            }

            70%,
            100% {
                height: 20px;
                transform: translateY(0px);
            }
        }

        @keyframes jump3 {

            30%,
            50% {
                height: 160px;
                transform: translateY(-75px);
            }

            70%,
            100% {
                height: 20px;
                transform: translateY(0px);
            }
        }

        @keyframes jump4 {

            30%,
            50% {
                height: 180px;
                transform: translateY(-60px);
            }

            70%,
            100% {
                height: 20px;
                transform: translateY(0px);
            }
        }

        @keyframes jump5 {

            30%,
            50% {
                height: 200px;
                transform: translateY(-45px);
            }

            70%,
            100% {
                height: 20px;
                transform: translateY(0px);
            }
        }