JSFiddle - React, Tailwind, and code Playground

by Vadim Shaikhislamov

HTML

<div class="container">
  <div class="first"></div>
  <div class="second"></div>
  <div class="third"></div>
  <div class="fourth"></div>
</div>

CSS

.container {
  width: 400px;
}

.first, .second, .third, .fourth {
  position: relative;
  height: 100px;
  width: 100px;
  float: left;
  background-color: red;
}

.first {
  height: 200px;
  width: 400px;  
}

.second {
  background-color: yellow;
}

.third {
  height: 100px;
  width: 300px;
  background-color: yellow;
}

.fourth {
  width: 400px;
}

.second:before {
  content: "";
  width: 0;
	height: 0;
	border-bottom: 75px solid red; 
	border-right: 100px solid transparent;	
  position: absolute;
  bottom: 0px;
}

.second:after {
  content: "";
  width: 0;
	height: 0;
	border-top: 75px solid red; 
	border-left: 100px solid transparent;	
  position: absolute;
  top: 0px;
}

.third:before {
  content: "";
  width: 0;
	height: 0;	
  border-bottom: 75px solid red; 
	border-left: 300px solid transparent;	
  position: absolute;
  bottom: 0px;
}

.third:after {
  content: "";
  width: 0;
	height: 0;
  border-top: 75px solid red; 
	border-right: 300px solid transparent;
  position: absolute;
  top: 0px;
}