CodePen Embed - CSSTriangleTest2

<div class="triangle"></div>

.triangle {
  width: 0;
  height: 0;
  border-bottom: 100px solid red;
  border-left: 80px solid transparent;
  border-right: 80px solid transparent;
}

This Pen is owned by Carlo on CodePen.

See more by @kaluojushi on CodePen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.