Simple CSS Tooltips

index.html

<div class = "tooltip-container">
  <p  class = "tooltip-content">Hover for tooltip</p>
  <span class = "tooltip-tip">I'm a tooltip</span>
</div>

Simple-CSS-Tooltips.markdown

Simple CSS Tooltips

Supports IE8+

A Pen by James Barnett on CodePen.

License.

style.css

/* basic styling */
body { margin: 30px; }
.tooltip-content { 
  font-size: 1.5em; 
  font-weight: bold; 
}

/* tooltips  */
.tooltip-container { position: relative; }
.tooltip-tip { display: none; }
.tooltip-content:hover + .tooltip-tip {
  display: inline-block;
  position: absolute;
  top: 0;
  left: 260px;
  
  min-width: 100px;
  padding: 5px 20px;
  text-align: center;
  background-color: #ddd; 
  
  opacity: .9;
  border: 1px solid #ddd;
  border-radius: 4px;
  background-image: linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));  
  box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
}

/* little triangle on the tooltip */
.tooltip-tip:before {
  content: "";
  position: absolute;
  width: 0; 
	height: 0; 
  
  top: 7px;
  left: -9px;
  
	border-top: 9px solid transparent;
	border-bottom: 9px solid transparent;
	border-right: 9px solid #ddd;
}