CSS

transition delay css

#delay {
  font-size: 14px;
  transition-property: font-size;
  transition-duration: 4s;
  transition-delay: 2s;
}

#delay:hover {
  font-size: 36px;
}

css transition delay after hover

/* These transition properties apply on "mouseout" */
#bar { transition:height .5s ease-out 1s; } 

/* These transition properties apply on hover */
#bar:hover { transition:height .5s ease-out 0s; }