.st3,.st5{animation-name:grow;animation-duration:2s;animation-iteration-count:infinite;animation-timing-function:ease-in-out;animation-fill-mode:forwards;animation-direction:normal;transition:all ease-in .3s}@keyframes grow{0%{stroke-width:1;stroke-opacity:0;animation-timing-function:ease-in}50%{stroke-width:10;stroke-opacity:.2;animation-timing-function:ease-out}100%{stroke-width:20;stroke-opacity:0;animation-timing-function:ease-out}}