css/custom.css
Add in the code in the first line
@keyframes rotate-center{
0%{-webkit-transform:rotate(0);transform:rotate(0)}
100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}
}
.acav,.avatar_private,.avav,.chat_avatar{-webkit-animation:rotate-center .6s ease-in-out both;animation:rotate-center .6s ease-in-out both}
.orti{-webkit-animation:heartbeat 1.5s ease-in-out infinite both;animation:heartbeat 1.5s ease-in-out infinite both}
@-webkit-keyframes heartbeat{
from{-webkit-transform:scale(1);transform:scale(1);-webkit-transform-origin:center center;transform-origin:center center;-webkit-animation-timing-function:ease-out;animation-timing-function:ease-out}
10%{-webkit-transform:scale(.91);transform:scale(.91);-webkit-animation-timing-function:ease-in;animation-timing-function:ease-in}
17%{-webkit-transform:scale(.98);transform:scale(.98);-webkit-animation-timing-function:ease-out;animation-timing-function:ease-out}
33%{-webkit-transform:scale(.87);transform:scale(.87);-webkit-animation-timing-function:ease-in;animation-timing-function:ease-in}
45%{-webkit-transform:scale(1);transform:scale(1);-webkit-animation-timing-function:ease-out;animation-timing-function:ease-out}
}