Answers for "css add transition"

transition transform

/* Transition Transform */
.section:hover {
  transform: translateX(0px) translateY(75px);
}

.section {
  transition: transform 500ms ease-in-out 25ms;
}

transition syntax css

transition: property duration transition-timing-function delay; 
/*Shorthand Property*/

css opacity transition

div {
  transition: opacity seconds;
}