css 手写

# css 手写

# css 实现九宫格

flex 布局
float 布局
grid 布局
table 布局

# 如何画一条 0.5px 的线

采用 meta viewport 的方式

<meta name="viewport" content="width=device-width, initial-scale=0.5, minimum-scale=0.5, maximum-scale=0.5"/>

注意：viewport 只针对于移动端，只在移动端上才能看到效果

transform: scale()

# CSS 实现 16：9 的盒子，不定宽

# css 实现 8 种三角形

https://www.cnblogs.com/chengxs/p/11406278.html (opens new window)

# css flex 实现骰子的六个面

https://www.cnblogs.com/ycherry/p/8184125.html (opens new window)

# css 实现进度条

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <style>
      .circle_process {
        position: relative;
        width: 199px;
        height: 200px;
      }

      .circle_process .wrapper {
        width: 100px;
        height: 200px;
        position: absolute;
        top: 0;
        overflow: hidden;
      }

      .circle_process .right {
        right: 0;
      }

      .circle_process .left {
        left: 0;
      }

      .circle_process .circle {
        width: 160px;
        height: 160px;
        border: 20px solid transparent;
        border-radius: 50%;
        position: absolute;
        top: 0;
        transform: rotate(-135deg);
      }

      .circle_process .rightcircle {
        border-top: 20px solid green;
        border-right: 20px solid green;
        right: 0;
        animation: circle_right 5s linear infinite;
        -webkit-animation: circle_right 5s linear infinite;
      }

      .circle_process .leftcircle {
        border-bottom: 20px solid green;
        border-left: 20px solid green;
        left: 0;
        animation: circle_left 5s linear infinite;
        -webkit-animation: circle_left 5s linear infinite;
      }

      @keyframes circle_right {
        0% {
          -webkit-transform: rotate(-135deg);
        }

        50%,
        100% {
          -webkit-transform: rotate(45deg);
        }
      }

      @keyframes circle_left {
        0%,
        50% {
          -webkit-transform: rotate(-135deg);
        }

        100% {
          -webkit-transform: rotate(45deg);
        }
      }
    </style>
  </head>

  <body>
    <div class="circle_process">
      <div class="wrapper right">
        <div class="circle rightcircle"></div>
      </div>
      <div class="wrapper left">
        <div class="circle leftcircle" id="leftcircle"></div>
      </div>
    </div>
  </body>
</html>

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参考：https://sevenhao.github.io/qhao/web/css-aritcle/css-property/CSS实现圆形进度条.html (opens new window)

更新时间: 2/10/2022, 7:21:32 PM

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