如果你不確定純CSS的相鄰兄弟,檢查了這一點: http://jsfiddle.net/raving/87865bq7/
<!-- normally this stuff would be on the html element -->
<!--[if lt IE 7]> <div class="ie ie6 lte9 lte8 lte7"> <![endif]-->
<!--[if IE 7]> <div class="ie ie7 lte9 lte8 lte7"> <![endif]-->
<!--[if IE 8]> <div class="ie ie8 lte9 lte8"> <![endif]-->
<!--[if IE 9]> <div class="ie ie9 lte9"> <![endif]-->
<!--[if gt IE 9]> <div> <![endif]-->
<!--[if !IE]><!--> <div> <!--<![endif]-->
<div class="wrapper">
I have a tooltip.
<div class="tooltip">I am a tooltip!</div>
</div>
</div>
CSS:
.wrapper {
text-transform: uppercase;
background: #ececec;
color: #555;
cursor: help;
font-family: "Gill Sans", Impact, sans-serif;
font-size: 20px;
margin: 100px 75px 10px 75px;
padding: 15px 20px;
position: relative;
text-align: center;
width: 200px;
-webkit-transform: translateZ(0); /* webkit flicker fix */
-webkit-font-smoothing: antialiased; /* webkit text rendering fix */
}
.wrapper .tooltip {
background: #1496bb;
bottom: 100%;
color: #fff;
display: block;
left: -25px;
margin-bottom: 15px;
opacity: 0;
padding: 20px;
pointer-events: none;
position: absolute;
width: 100%;
-webkit-transform: translateY(10px);
-moz-transform: translateY(10px);
-ms-transform: translateY(10px);
-o-transform: translateY(10px);
transform: translateY(10px);
-webkit-transition: all .25s ease-out;
-moz-transition: all .25s ease-out;
-ms-transition: all .25s ease-out;
-o-transition: all .25s ease-out;
transition: all .25s ease-out;
-webkit-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
-moz-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
-ms-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
-o-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
}
/* This bridges the gap so you can mouse into the tooltip without it disappearing */
.wrapper .tooltip:before {
bottom: -20px;
content: " ";
display: block;
height: 20px;
left: 0;
position: absolute;
width: 100%;
}
/* CSS Triangles - see Trevor's post */
.wrapper .tooltip:after {
border-left: solid transparent 10px;
border-right: solid transparent 10px;
border-top: solid #1496bb 10px;
bottom: -10px;
content: " ";
height: 0;
left: 50%;
margin-left: -13px;
position: absolute;
width: 0;
}
.wrapper:hover .tooltip {
opacity: 1;
pointer-events: auto;
-webkit-transform: translateY(0px);
-moz-transform: translateY(0px);
-ms-transform: translateY(0px);
-o-transform: translateY(0px);
transform: translateY(0px);
}
/* IE can just show/hide with no transition */
.lte8 .wrapper .tooltip {
display: none;
}
.lte8 .wrapper:hover .tooltip {
display: block;
}
我不相信這對純CSS來說是可能的。這雖然很容易與JavaScript;您只需在「trigger」元素上設置事件處理程序即可。併發布*所有*你的代碼,而不是codepen。 – Carcigenicate