You can find all the code in this post at the repo Github.

You can check the visual here CodeSandbox.

Draw all kinds of shapes via CSS

How do you draw square、trapezoidal、triangle、ano-triangle、sector、circle、half-circle、fixed-width-height-ratio、0.5px line in CSS?

  
    
    
    
    
    
  
  
    


    


    


    


    


    


    


    


    
0.5px line
  

.square {
  width: 100px;
  height: 100px;
  border-top: 50px solid red;
  border-bottom: 50px solid blue;
  border-right: 50px solid green;
  border-left: 50px solid orange;
}

.trapezoidal {
  width: 100px;
  height: 100px;
  border: 50px solid transparent;
  border-bottom-color: tomato;
}

.triangle {
  width: 0;
  height: 0;
  border: 50px solid transparent;
  border-bottom-color: tomato;
}

.sector {
  width: 0;
  height: 0;
  border: 50px solid transparent;
  border-bottom-color: tomato;
  border-radius: 50%;
}

.circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: tomato;
}

.half-circle {
  width: 100px;
  height: 50px;
  background-color: tomato;
  border-top-left-radius: 50px;
  border-top-right-radius: 50px;
}

.fixed-width-height-ratio {
  padding-top: 56.25%;
  background-color: blue;
  width: 100%;
}

.half-one-px-line {
  background-color: aqua;
  border-bottom: 1px solid black;
  transform: scaleY(0.5) scaleX(0.5);
  transform-origin: 0 0;
}