CSS组件化之tooltip气泡

转载

mb5fdb1365b75a0 2012-07-22 21:51:00

本篇文章介绍带边框的三角形与div形成的tooltip气泡。

<div class="bubble-box">
    <h5>带三角的tooltip气泡</h5>
</div>

一、带边框的向上三角形

.bubble-box {
  position: relative;
  margin: 50px auto;
  padding: 40px;
  width: 280px;
  height: 100px;
  background: #f00;
  border: 4px solid #00f;
  border-radius: 6px;
}
.bubble-box:after, .bubble-box:before {
  position: absolute;
  bottom: 100%;
  left: 50%;
  content: " ";
  width: 0;
  height: 0;
  border: solid transparent;
  pointer-events: none;
}

.bubble-box:after {
  margin-left: -30px;
  border-color: rgba(255, 0, 0, 0);
  border-bottom-color: #f00;
  border-width: 30px;
}
.bubble-box:before {
  margin-left: -36px;
  border-color: rgba(0, 0, 255, 0);
  border-bottom-color: #00f;
  border-width: 36px;
}

二、带边框的向右三角形

.bubble-box {
    position: relative;
    margin: 50px auto;
    padding: 40px;
    width: 280px;
    height: 100px;
    background: #f00;
    border: 4px solid #00f;
    border-radius: 6px;
}
.bubble-box:after, .bubble-box:before {
    position: absolute;
    top: 50%;
    left: 100%;
    content: " ";
    width: 0;
    height: 0;
    border: solid transparent;
    pointer-events: none;
}

.bubble-box:after {
    margin-top: -30px;
    border-color: rgba(255, 0, 0, 0);
    border-left-color: #f00;
    border-width: 30px;
}
.bubble-box:before {
    margin-top: -36px;
    border-color: rgba(0, 0, 255, 0);
    border-left-color: #00f;
    border-width: 36px;
}

三、带边框的向下三角形

.bubble-box {
    position: relative;
    margin: 50px auto;
    padding: 40px;
    width: 280px;
    height: 100px;
    background: #f00;
    border: 4px solid #00f;
    border-radius: 6px;
}
.bubble-box:after, .bubble-box:before {
    position: absolute;
    top: 100%;
    left: 50%;
    content: " ";
    width: 0;
    height: 0;
    border: solid transparent;
    pointer-events: none;
}

.bubble-box:after {
    margin-left: -30px;
    border-color: rgba(255, 0, 0, 0);
    border-top-color: #f00;
    border-width: 30px;
}
.bubble-box:before {
    margin-left: -36px;
    border-color: rgba(0, 0, 255, 0);
    border-top-color: #00f;
    border-width: 36px;
}

四、带边框的向左三角形

.bubble-box {
    position: relative;
    margin: 50px auto;
    padding: 40px;
    width: 280px;
    height: 100px;
    background: #f00;
    border: 4px solid #00f;
    border-radius: 6px;
}
.bubble-box:after, .bubble-box:before {
    position: absolute;
    top: 50%;
    right: 100%;
    content: " ";
    width: 0;
    height: 0;
    border: solid transparent;
    pointer-events: none;
}

.bubble-box:after {
    margin-top: -30px;
    border-color: rgba(255, 0, 0, 0);
    border-right-color: #f00;
    border-width: 30px;
}
.bubble-box:before {
    margin-top: -36px;
    border-color: rgba(0, 0, 255, 0);
    border-right-color: #00f;
    border-width: 36px;
}