纯CSS实现的一些图标和形状

    .oval {
      width: 200px;
      height: 100px;
      background-color: deepskyblue;
      /* “/”前面的值设置其水平半径，“/”后面值设置其垂直半径 */
      border-radius: 100px / 50px;
    }

椭圆

    .triangle-up,
    .triangle-down,
    .triangle-left,
    .triangle-right {
      display: inline-block;
    }
    /*上三角形*/
    .triangle-up {
      width:  0;
      height: 0;
      border-left: 50px solid transparent;
      border-right: 50px solid transparent;
      border-bottom: 50px solid deepskyblue;
    }
    /*下三角形*/
    .triangle-down {
      width:  0;
      height: 0;
      border-left: 50px solid transparent;
      border-right: 50px solid transparent;
      border-top: 50px solid deepskyblue;
    }
    /*左三角形*/
    .triangle-left {
      width:  0;
      height: 0;
      border-top: 50px solid transparent;
      border-bottom: 50px solid transparent;
      border-left: 50px solid deepskyblue;
    }
    /*右三角形*/
    .triangle-right {
      width:  0;
      height: 0;
      border-top: 50px solid transparent;
      border-bottom: 50px solid transparent;
      border-right: 50px solid deepskyblue;
    }

上下左右三角形

    .triangle-topLeft,
    .triangle-topRight,
    .triangle-bottomLeft,
    .triangle-bottomRight {
      display: inline-block;
    }
    /*左上角*/
    .triangle-topLeft {
      width: 0;
      height: 0;
      border-top: 100px solid deepskyblue;
      border-right: 100px solid transparent;
    }
    /*右上角*/
    .triangle-topRight {
      width: 0;
      height: 0;
      border-top: 100px solid deepskyblue;
      border-left: 100px solid transparent;
    }
    /*左下角*/
    .triangle-bottomLeft {
      width: 0;
      height: 0;
      border-bottom: 100px solid deepskyblue;
      border-right: 100px solid transparent;
    }
    /*右下角*/
    .triangle-bottomRight {
      width: 0;
      height: 0;
      border-bottom: 100px solid deepskyblue;
      border-left: 100px solid transparent;
    }

左上，右上，左下，右下角

    /*箭头*/
    .curvedarrow {
      position: relative;
      width: 0;
      height: 0;
      border-top: 27px solid transparent;
      border-right: 27px solid deepskyblue;
      transform: rotate(10deg);
    }
    .curvedarrow:after {
      position: absolute;
      top: -36px;
      left: -27px;
      width: 36px;
      height: 36px;
      content: '';
      border: 0 solid transparent;
      border-top: 6px solid deepskyblue;
      border-radius: 60px 0 0 0;
      transform: rotate(45deg);
    }

箭头

    /*平行四边形*/
    .parallelogram {
      width: 100px;
      height: 100px;
      background-color: deepskyblue;
      transform:  skew(30deg);
    }

平行四边形

    /*梯形*/
    .trapezoid {
      width: 100px;
      height: 0;
      border-right: 25px solid transparent;
      border-bottom: 100px solid deepskyblue;
      border-left: 25px solid transparent;
    }

梯形

    /*五边形*/
    .pentagon {
      position: relative;
      width: 54px;
      border-width: 50px 18px 0;
      border-style: solid;
      border-color: deepskyblue transparent;
      box-sizing: content-box;
    }
    .pentagon:after {
      position: absolute;
      top: -85px;
      left: -18px;
      height: 0;
      width: 0;
      content: '';
      border-width: 0 45px 35px;
      border-style: solid;
      border-color: transparent transparent deepskyblue;
    }

五边形

    /*六边形*/
    .hexagon {
      position: relative;
      width: 100px;
      height: 55px;
      background-color: deepskyblue;
    }
    .hexagon:before,
    .hexagon:after {
      content: '';
      position: absolute;
      left: 0;
      width: 0;
      height: 0;
      border-left: 50px solid transparent;
      border-right: 50px solid transparent;
    }
    .hexagon:before {
      top: -25px;
      border-bottom: 25px solid deepskyblue;
    }
    .hexagon:after {
      bottom: -25px;
      border-top: 25px solid deepskyblue;
    }

六边形

    /*爱心*/
    .heart {
      position: relative;
      width: 100px;
      height: 90px;
    }
    .heart:before,
    .heart:after {
      position: absolute;
      left: 50px;
      top: 0;
      width: 50px;
      height: 80px;
      content: '';
      background-color: deepskyblue;
      border-radius: 50px 50px 0 0;
      transform: rotate(-45deg);
      transform-origin: 0 100%;
    }
    .heart:after {
      left: 0;
      transform: rotate(45deg);
      transform-origin: 100% 100%;
    }

爱心

    /*无穷大*/
    .infinity {
      position: relative;
      width: 150px;
      height: 100px;
      box-sizing: content-box;
    }
    .infinity:before,
    .infinity:after {
      position: absolute;
      top: 0;
      left: 0;
      width: 30px;
      height: 30px;
      content: '';
      border: 20px solid deepskyblue;
      border-radius: 50px 50px 0 50px;
      box-sizing: content-box;
      transform: rotate(-45deg);
    }
    .infinity:after {
      left: auto;
      right: 0;
      border-radius: 50px 50px 50px 0;
      transform: rotate(45deg);
    }

无穷大

    /*钻石*/
    .diamond {
      position: relative;
      width: 50px;
      height: 0;
      border-width: 0 25px 25px 25px;
      border-style: solid;
      border-color: transparent transparent deepskyblue transparent;
      box-sizing: content-box;
    }
    .diamond:after {
      position: absolute;
      top: 25px;
      left: -25px;
      width: 0;
      height: 0;
      content: '';
      border-width: 70px 50px 0 50px;
      border-style: solid;
      border-color: deepskyblue transparent transparent transparent;
    }

钻石

    /*锁*/
    .lock {
      position: relative;
      width: 90px;
      height: 65px;
      border: 18px solid deepskyblue;
      border-right-width: 37px;
      border-left-width: 37px;
      border-radius: 10px;
      box-sizing: border-box;
    }
    .lock:before,
    .lock:after {
      position: absolute;
      left: 50%;
      box-sizing: border-box;
      transform: translateX(-50%);
    }
    .lock:before {
      top: -60px;
      width: 70px;
      height: 60px;
      content: '';
      border: 12px solid deepskyblue;
      border-top-left-radius: 35px;
      border-top-right-radius: 35px;
    }
    .lock:after {
      top: -5px;
      width: 25px;
      height: 40px;
      content: '';
      border: 5px solid deepskyblue;
      border-radius: 12px;
    }

锁

    /* 吃豆人 */
    .pacman {
      width: 0;
      height: 0;
      border: 60px solid deepskyblue;
      border-right: 60px solid transparent;
      /*border-left: 60px solid transparent;*/
      border-radius: 60px;
    }

吃豆人

    /* 对话泡泡  */
    .talkbubble {
      position: relative;
      width: 120px;
      height: 80px;
      background-color: deepskyblue;
      border-radius: 10px;
    }
    .talkbubble:before {
      position: absolute;
      top: 26px;
      right: 100%;
      content: '';
      width: 0;
      height: 0;
      border-right: 26px solid deepskyblue;
      border-top: 13px solid transparent;
      border-bottom: 13px solid transparent;
    }

对话泡泡

    /* 太极 */
    .supermepole {
      position: relative;
      width: 96px;
      height: 48px;
      background-color: #FFF;
      border-width: 2px 2px 50px 2px;
      border-style: solid;
      border-radius: 50%;
      box-sizing: content-box;
    }
    .supermepole:before,
    .supermepole:after {
      position: absolute;
      top: 50%;
      content: '';
      width: 12px;
      height: 12px;
      border-radius: 50%;
      box-sizing: content-box;
    }
    .supermepole:before {
      background-color: #FFF;
      left: 0;
      border: 18px solid #000;
    }
    .supermepole:after {
      background-color: #000;
      left: 50%;
      border: 18px solid #FFF;
    }

太极

    /* 丝带徽章 */
    .badge-ribbon {
      position: relative;
      height: 100px;
      width: 100px;
      background-color: deepskyblue;
      border-radius: 50%;
    }
    .badge-ribbon:before,
    .badge-ribbon:after {
      position: absolute;
      top: 70px;
      left: -10px;
      content: '';
      border-right: 40px solid transparent;
      border-left: 40px solid transparent;
      border-bottom: 70px solid deepskyblue;
      transform: rotate(-140deg);
    }
    .badge-ribbon:after {
      right: -10px;
      left: auto;
      transform: rotate(140deg);
    }

丝带徽章

    /* 雪佛兰车标 */
    .chevolet {
      position: relative;
      width: 140px;
      height: 50px;
    }
    .chevolet:before,
    .chevolet:after {
      position: absolute;
      top: 0;
      width: 50%;
      height: 100%;
      background-color: deepskyblue;
      content: '';
    }
    .chevolet:before {
      transform: skew(0deg, 6deg);
    }
    .chevolet:after {
      right: 0;
      transform: skew(0deg, -6deg);
    }

雪佛兰车标

    /* 放大镜 */
    .magnifying-glass {
      position: relative;
      width: 60px;
      height: 60px;
      font-size: 150px;
      border: 10px solid deepskyblue;
      border-radius: 50%;
      box-sizing: content-box;
    }
    .magnifying-glass:before {
      position: absolute;
      right: -40px;
      bottom: -30px;
      width: 60px;
      height: 15px;
      content: '';
      background-color: deepskyblue;
      transform: rotate(45deg);
    }

放大镜

    /* facebook-icon */
    .facebook-icon {
      position: relative;
      width: 100px;
      height: 110px;
      background-color: deepskyblue;
      border: 15px solid deepskyblue;
      border-bottom: 0;
      border-radius: 5px;
      box-sizing: content-box;
      overflow: hidden;
    }
    .facebook-icon:before,
    .facebook-icon:after {
      position: absolute;
      content: '';
      box-sizing: content-box;
    }
    .facebook-icon:before {
      right: -37px;
      bottom: -30px;
      width: 40px;
      height: 90px;
      background-color: deepskyblue;
      border: 20px solid #fff;
      border-radius: 25px;
      box-sizing: content-box;
    }
    .facebook-icon:after {
      top: 50px;
      right: 5px;
      width: 55px;
      height: 20px;
      background-color: #FFF;
    }

facebook图标

    /*  月亮 */
    .moon {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      box-shadow: 15px 15px 0 0 deepskyblue;
    }

月亮

    /* 圆锥 */
    .cone {
      width: 0;
      height: 0;
      border-radius: 50%;
      border-top: 80px solid deepskyblue;
      border-left: 80px solid transparent;
      border-right: 80px solid transparent;
    }

圆锥

    /* 十字架 */
    .cross {
      position: relative;
      width: 20px;
      height: 100px;
      background-color: deepskyblue;
    }
    .cross:before {
      top: 40px;
      left: -40px;
      content: '';
      position: absolute;
      width: 100px;
      height: 20px;
      background-color: deepskyblue;
    }

十字架

    /* 谷堆 */
    .base {
      position: relative;
      width: 100px;
      height: 50px;
      background-color: deepskyblue;
    }
    .base:before {
      position: absolute;
      top: -35px;
      width: 0;
      height: 0;
      content: '';
      border-left: 50px solid transparent;
      border-right: 50px solid transparent;
      border-bottom: 35px solid deepskyblue;
    }

谷堆

    /* 指示器 */
    .pointer {
      position: relative;
      width: 120px;
      height: 40px;
      background-color: deepskyblue;
    }
    .pointer:before,
    .pointer:after {
      position: absolute;
      content: '';
      width: 0;
      height: 0;
    }
    .pointer:before {
      left: 0;
      border-top: 20px solid transparent;
      border-bottom: 20px solid transparent;
      border-left: 20px solid #fff;
    }
    .pointer:after {
      right: -20px;
      border-top: 20px solid transparent;
      border-bottom: 20px solid transparent;
      border-left: 20px solid deepskyblue;
    }

指示器

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纯CSS实现的一些图标和形状

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