.yes {
  position: relative;
  text-decoration: none;
  padding-bottom: 2px;
}

.yes::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: #fff;
  transition: width 0.3s ease;
}

.yes:hover::after {
  width: 100%;
}