Bootstrap彩色斑马线条纹进度条设计效果

这是一款基于Bootstrap制作的超酷彩色斑马线条纹进度条设计效果。该进度条动画特效通过简单的CSS3 animation动画来完成，整个进度条设计时尚大方。

使用方法

在页面中引入bootstrap.css文件。

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">   
                

HTML结构

该Bootstrap进度条的HTML结构如下。

<div class="container">
  <div class="row">
      <div class="col-md-offset-3 col-md-6">
          <div class="progress">
              <div class="progress-bar progress-bar-info progress-bar-striped active" style="width: 85%;">
                  <div class="progress-value">85%</div>
              </div>
          </div>

          <div class="progress">
              <div class="progress-bar progress-bar-success progress-bar-striped active" style="width: 75%;">
                  <div class="progress-value">75%</div>
              </div>
          </div>

          <div class="progress">
              <div class="progress-bar progress-bar-warning progress-bar-striped active" style="width: 90%;">
                  <div class="progress-value">90%</div>
              </div>
          </div>

          <div class="progress">
              <div class="progress-bar progress-bar-danger progress-bar-striped active" style="width: 60%;">
                  <div class="progress-value">60%</div>
              </div>
          </div>
      </div>
  </div>
</div>
                

CSS样式

为该Bootstrap进度条添加如下的CSS样式。

.demo{
    padding: 2em 0;
    background: linear-gradient(to right, #2c3b4e, #4a688a, #2c3b4e);
}
.progress{
    height: 25px;
    background: #262626;
    padding: 5px;
    overflow: visible;
    border-radius: 20px;
    border-top: 1px solid #000;
    border-bottom: 1px solid #7992a8;
    margin-top: 50px;
}
.progress .progress-bar{
    border-radius: 20px;
    position: relative;
    animation: animate-positive 2s;
}
.progress .progress-value{
    display: block;
    padding: 3px 7px;
    font-size: 13px;
    color: #fff;
    border-radius: 4px;
    background: #191919;
    border: 1px solid #000;
    position: absolute;
    top: -40px;
    right: -10px;
}
.progress .progress-value:after{
    content: "";
    border-top: 10px solid #191919;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    position: absolute;
    bottom: -6px;
    left: 26%;
}
.progress-bar.active{
    animation: reverse progress-bar-stripes 0.40s linear infinite, animate-positive 2s;
}
@-webkit-keyframes animate-positive{
    0% { width: 0; }
}
@keyframes animate-positive{
    0% { width: 0; }
}