A Pen by Adam Henley.

Embrace-the-infinite.markdown

Embrace the infinite

Single div infinity symbol.

A Pen by Adam Henley on CodePen.

License.

index.html

<div class="infinity"></div>

style.less

html{background-color:rgb(176, 214, 232);}
@fgcolor: white;
.glow{  
  .box-shadow(0 0 25px 5px rgba(255,255,255,0.8),
  0px 0px 25px rgba(255,255,255,0.8) inset);
}
.teardrop{ 
  display: block;
  border-width:10px;
  border-style:solid;
  border-radius: 50% 50% 0%;
  border-color: @fgcolor;
  content:" ";
  width:40px;
  height:40px;
  position:absolute; top:0;left:0;right:0;bottom:0;
  margin:auto;
  .glow;
}

.infinity:before{
  .teardrop;  
  .rotate(315);
  left:-140px;
}
.infinity:after{
  .teardrop;
  .rotate(135);  
}