ساااعدوني

.mini_ava {
  float: left;
}
.mini_ava img {
  width: Xpx;
  height: Xpx;
  margin: 0 5px;
  border-radius: 10px;
  transition: all 2s;
  -moz-transition: all 2s;
  -webkit-transition: all 2s;
  -o-transition: all 2s;
}
.mini_ava img:hover
{
  width: Fpx;
  height: Fpx;
}