

<!DOCTYPE html>
<html lang="zh-CN">

<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">
  <title>404</title>
<link rel="stylesheet" href="/bootstrap.css">
<style>
.error .clip .shadow {
  height: 180px;
}

.error .clip:nth-of-type(2) .shadow {
  width: 130px;
}

.error .clip:nth-of-type(1) .shadow,
.error .clip:nth-of-type(3) .shadow {
  width: 250px;
}

.error .digit {
  width: 150px;
  height: 150px;
  line-height: 150px;
  font-size: 120px;
  font-weight: bold;
}

.error h2 {
  font-size: 32px;
}

.error .msg {
  top: -190px;
  left: 30%;
  width: 80px;
  height: 80px;
  line-height: 80px;
  font-size: 32px;
}

.error span.triangle {
  top: 70%;
  right: 0%;
  border-left: 20px solid #535353;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
}

.error .container-error-404 {
  margin-top: 10%;
  position: relative;
  height: 250px;
  padding-top: 40px;
}

.error .container-error-404 .clip {
  display: inline-block;
  transform: skew(-45deg);
}

.error .clip .shadow {
  overflow: hidden;
}

.error .clip:nth-of-type(2) .shadow {
  overflow: hidden;
  position: relative;
  box-shadow: inset 20px 0px 20px -15px rgba(150, 150, 150, 0.8), 20px 0px 20px -15px rgba(150, 150, 150, 0.8);
}

.error .clip:nth-of-type(3) .shadow:after,
.error .clip:nth-of-type(1) .shadow:after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: 0px;
  z-index: 9999;
  height: 100%;
  width: 10px;
  background: linear-gradient(90deg, transparent, rgba(173, 173, 173, 0.8), transparent);
  border-radius: 50%;
}

.error .clip:nth-of-type(3) .shadow:after {
  left: -8px;
}

.error .digit {
  position: relative;
  top: 8%;
  color: white;
  background: #990066;
  border-radius: 50%;
  display: inline-block;
  transform: skew(45deg);
}

.error .clip:nth-of-type(2) .digit {
  left: -10%;
}

.error .clip:nth-of-type(1) .digit {
  right: -20%;
}

.error .clip:nth-of-type(3) .digit {
  left: -20%;
}

.error h2 {
  font-size: 24px;
  color: #A2A2A2;
  font-weight: bold;
  padding-bottom: 20px;
}

.error .tohome {
  font-size: 16px;
  color: #990066;
}

.error .msg {
  position: relative;
  z-index: 9999;
  display: block;
  background: #535353;
  color: #A2A2A2;
  border-radius: 50%;
  font-style: italic;
}

.error .triangle {
  position: absolute;
  z-index: 999;
  transform: rotate(45deg);
  content: "";
  width: 0;
  height: 0;
}

@media(max-width: 767px) {
  .error .clip .shadow {
      height: 100px;
  }
  .error .clip:nth-of-type(2) .shadow {
      width: 80px;
  }
  .error .clip:nth-of-type(1) .shadow,
  .error .clip:nth-of-type(3) .shadow {
      width: 100px;
  }
  .error .digit {
      width: 80px;
      height: 80px;
      line-height: 80px;
      font-size: 52px;
  }
  .error h2 {
      font-size: 18px;
  }
  .error .msg {
      top: -110px;
      left: 15%;
      width: 40px;
      height: 40px;
      line-height: 40px;
      font-size: 18px;
  }
  .error span.triangle {
      top: 70%;
      right: -3%;
      border-left: 10px solid #535353;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
  }
  .error .container-error-404 {
      height: 150px;
  }
}
</style>

<script>
function randomNum() {
    return Math.floor(Math.random() * 9) + 1;
}
var loop1, loop2, loop3,
    time = 30, i = 0, number;
loop3 = setInterval(function () {
    if (i > 40) {
        clearInterval(loop3);
        document.querySelector('.thirdDigit').textContent = 4;
    } else {
        document.querySelector('.thirdDigit').textContent = randomNum();
        i++;
    }
}, time);
loop2 = setInterval(function () {
    if (i > 80) {
        clearInterval(loop2);
        document.querySelector('.secondDigit').textContent = 0;
    } else {
        document.querySelector('.secondDigit').textContent = randomNum();
        i++;
    }
}, time);
loop1 = setInterval(function () {
    if (i > 100) {
        clearInterval(loop1);
        document.querySelector('.firstDigit').textContent = 4;
    } else {
        document.querySelector('.firstDigit').textContent = randomNum();
        i++;
    }
}, time);
</script>
</head>

<body>
  <div class="error">
    <div class="container-floud">
      <div class="col-xs-12 ground-color text-center">
        <div class="container-error-404">
          <div class="clip">
            <div class="shadow">
              <span class="digit thirdDigit"></span>
            </div>
          </div>
          <div class="clip">
            <div class="shadow">
              <span class="digit secondDigit"></span>
            </div>
          </div>
          <div class="clip">
            <div class="shadow">
              <span class="digit firstDigit"></span>
            </div>
          </div>
          <div class="msg">OH!
            <span class="triangle"></span>
          </div>
        </div>
        <h2 class="h1">很抱歉，你访问的页面找不到了</h2>
        <p>
          <a class="tohome" href="/">返回首页</a>
        </p>
      </div>
    </div>
  </div>
</body>

</html>