h5绚丽的边框-border渐变和字体颜色渐变

来源：互联网发布：python数据分析豆瓣编辑：程序博客网时间：2024/05/17 23:40

1.先看效果图：
这里写图片描述
2.代码上部分注稀：

<!DOCTYPE html><html><head>    <meta charset="utf-8">    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"></head><body><style>body{    text-align: center;}button {  background: none;  border: 0;  box-sizing: border-box;/*border和padding全会在你设置的宽高内部*/  margin: 1em;  padding: 1em 2em;  box-shadow: inset 0 0 4px 3px plum;/*inset内阴影。该参数可选，不设的话默认是外阴影。*/  color: blue;  font-size: inherit;  font-weight: 700;  position: relative;}  button::before,  button::after {    box-sizing: inherit;/*继承父的*/    content: '';    position: absolute;    width: 100%;    height: 100%;  }.draw {    transition: color 2s;/*字体颜色出现渐变一个用时2s*/    }  .draw::before,  .draw::after {    border: 2px solid transparent;/*边框设置为透明的*/    width: 0;    height: 0;  }  .draw::before {    top: 0;    left: 0;  }  .draw::after {    bottom: 0;    right: 0;  }  .draw:hover {    color: black;  }  .draw:hover::before,  .draw:hover::after {    width: 100%;    height: 100%;  }  .draw:hover::before {    border-top-color: red;     border-right-color: red;    transition:      width 0.25s ease-out, /*ease-out是结束是慢的*/      height 0.25s ease-out 0.25s;   }  .draw:hover::after {    border-bottom-color: red;     border-left-color: red;    transition:      width 0.25s ease-out 0.5s,      height 0.25s ease-out 0.75s;  }</style><button class="draw">Draw border</button></body></html>

有用请赞一下咯！嘻嘻

阅读全文

0 0