带有指定的角度的线性渐变 - 在线编辑器

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    #grad1 {
      height: 100px;
      background: -webkit-linear-gradient(0deg, red, blue);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(0deg, red, blue);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(0deg, red, blue);
      /* Firefox 3.6 - 15 */
      background: linear-gradient(0deg, red, blue);
      /* 标准的语法（必须放在最后） */
    }

    #grad2 {
      height: 100px;
      background: -webkit-linear-gradient(90deg, red, blue);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(90deg, red, blue);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(90deg, red, blue);
      /* Firefox 3.6 - 15 */
      background: linear-gradient(90deg, red, blue);
      /* 标准的语法（必须放在最后） */
    }

    #grad3 {
      height: 100px;
      background: -webkit-linear-gradient(180deg, red, blue);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(180deg, red, blue);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(180deg, red, blue);
      /* Firefox 3.6 - 15 */
      background: linear-gradient(180deg, red, blue);
      /* 标准的语法（必须放在最后） */
    }

    #grad4 {
      height: 100px;
      background: -webkit-linear-gradient(-90deg, red, blue);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(-90deg, red, blue);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(-90deg, red, blue);
      /* Firefox 3.6 - 15 */
      background: linear-gradient(-90deg, red, blue);
      /* 标准的语法（必须放在最后） */
    }
  </style>
</head>
<body>

  <h3>线性渐变 - 使用不同的角度</h3>
  <div id="grad1" style="color:white;text-align:center;">0deg</div><br>
  <div id="grad2" style="color:white;text-align:center;">90deg</div><br>
  <div id="grad3" style="color:white;text-align:center;">180deg</div><br>
  <div id="grad4" style="color:white;text-align:center;">-90deg</div>

  <p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持渐变。</p>

</body>
</html>
​x
 
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    #grad1 {
      height: 100px;
      background: -webkit-linear-gradient(0deg, red, blue);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(0deg, red, blue);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(0deg, red, blue);
      /* Firefox 3.6 - 15 */
      background: linear-gradient(0deg, red, blue);
      /* 标准的语法（必须放在最后） */
    }
​
    #grad2 {
      height: 100px;
      background: -webkit-linear-gradient(90deg, red, blue);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(90deg, red, blue);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(90deg, red, blue);