CSS Triangles

Trójkąty w css:

.arrow-up {
  width: 0; 
  height: 0; 
  font-size: 0;
  line-height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  
  border-bottom: 5px solid #fedb03;
}
.arrow-up {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 17.5px 35px 17.5px;
  border-color: transparent transparent #d6eaf4 
}
.arrow-up-right {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 35px 35px 0;
  border-color: transparent #d6eaf4 transparent;
}

.arrow-down {
  width: 0; 
  height: 0; 
  font-size: 0;
  line-height: 0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  
  border-top: 20px solid #fedb03;
}

.arrow-right {
  width: 0; 
  height: 0; 
  font-size: 0;
  line-height: 0;
  border-top: 60px solid transparent;
  border-bottom: 60px solid transparent;
  
  border-left: 60px solid #fedb03;
}

.arrow-left {
  width: 0; 
  height: 0; 
  font-size: 0;
  line-height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent; 
  
  border-right:10px solid #fedb03; 
}

info: