使用CSS3实现的player播放按钮
完成的效果如下
Step 1:先了解border的原理:
Step 2:HTML代码结构
- <section class="playContainer">
- <li class="playBtn">
- <a href="#" title="start">Start</a>
- </li>
- <li class="pauseBtn">
- <a href="#" title="pause">Pause</a>
- </li>
- <li class="stopBtn">
- <a href="#" title="stop">Stop</a>
- </li>
- <li class="forwardBtn playBtn">
- <a href="#" title="forward">Forward</a>
- <a href="#" title="forward">Forward</a>
- </li>
- <li class="rewindBtn">
- <a href="#" title="rewind">Rewind</a>
- <a href="#" title="rewind">Rewind</a>
- </li>
- <li class="ejectBtn">
- <a href="#" class="arrow">Eject</a>
- <a href="#" class="dash">Eject</a>
- </li>
- </section>
Step 3:画背景圆,position:relative
- .playContainer li { position: relative; float: left; border: 25px solid #404040; color: #404040; height: 0; width:0; -webkit-border-radius: 100%; -moz-border-radius: 100%; -o-border-radius: 100%; border-radius: 100%; margin: 0 20px; }
Step 4:画stop按钮,要让按钮居中。
按钮相对外层圆圈绝对定位,从圆圈的中心开始,所以要调整top和left值
stop按钮边长14px,相对原点需要向上、向左移动7个像素,居中。
全部的CSS如下:
- .playContainer { position: relative; float: left; background: rgba(0, 0, 0, 0.8); padding: 20px; }
- .playContainer li { position: relative; float: left; border: 25px solid #404040; color: #404040; height: 0; width:0; -webkit-border-radius: 100%; -moz-border-radius: 100%; -o-border-radius: 100%; border-radius: 100%; margin: 0 20px; }
- .playContainer a { border-style: solid; text-indent: -9999px; position: absolute; top: -8px; left: -3px; }
- .playBtn a { border-color: transparent transparent transparent #fff; border-width: 8px 0 8px 12px; width: 0; height: 0; }
- .pauseBtn a { border-color: transparent white; border-width: 0 6px; height: 15px; width: 6px; left: -9px; }
- .stopBtn a { border: 7px solid #fff; height: 0; width: 0; left: -7px; top: -7px;}
- .forwardBtn a { border-left-width: 8px; left: 1px; }
- .forwardBtn a:first-child { margin-left: -7px; }
- .rewindBtn a { border-width: 8px 8px 8px 0; border-color: transparent #fff transparent transparent; width: 0; height: 0; }
- .rewindBtn a:first-child { margin-left: -7px; }
- .ejectBtn a.arrow { border-width: 0 8px 8px 8px; border-color: transparent transparent #fff transparent; top:-26px; left:-8px; }
- ectBtn a.dash { border-width: 0 0 4px; border-color: transparent transparent #fff; height: 0; width:16px; left: -8px; top: 4px; }
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