#topics .postTitle {
  font-size: 21px;
  font-weight: bold;
  float: left;
  line-height: 1.5;
  padding-left: 5px;
  transition:all 1s linear; 
　-moz-transition:all 1s ease-in; /* Firefox 4 */
　-webkit-transition:all 1s linear; /* Safari and Chrome */
　-o-transition:all 1s linear; /* Opera */
}
#topics .postTitle:hover{
  -moz-transform: translateX(5px);
  -webkit-transform: translateX(5px);
  -o-transform: translateX(5px);
  -ms-transform: translateX(5px);
  transform: translateX(5px);
}