Answers for "css animate an attribute"

css animation shorthand

animation-name: none;
animation-duration: 0s;
animation-timing-function: ease;
animation-delay: 0s;
animation-iteration-count: 1;
animation-direction: normal;
animation-fill-mode: none;
animation-play-state: running;

animate.css

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css" />