arrow for dropdown menu

implemented with css

by Alexander Zonov

HTML

<div class="arrow"></div>

CSS

.arrow {
  width: 0;
  height: 0;
  border-style: solid;
  border-color: transparent;
  border-width: 0;
  border-top-width: 5px;
  border-right-width: 3.5px;
  border-left-width: 3.5px;
  border-top-color: black;
}