Answers for "arrow icon in css"

arrow down css

.arrow-down {
  width: 0; 
  height: 0; 
  border-left: 75px solid transparent;
  border-right: 75px solid transparent;
  border-top: 75px solid #f00;
}

arrow button css

<p>Right arrow: <i class="arrow right"></i></p>
<p>Left arrow: <i class="arrow left"></i></p>
<p>Up arrow: <i class="arrow up"></i></p>
<p>Down arrow: <i class="arrow down"></i></p>

.arrow {
  border: solid black;
  border-width: 0 3px 3px 0;
  display: inline-block;
  padding: 3px;
}

.right {
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
}

.left {
  transform: rotate(135deg);
  -webkit-transform: rotate(135deg);
}

.up {
  transform: rotate(-135deg);
  -webkit-transform: rotate(-135deg);
}

.down {
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}