Como colocar isso no meu fórum 2

.postprofile dt img:hover {
-moz-transform: rotate(-7deg);
-o-transform: rotate(-7deg);
-webkit-transform: rotate(-7deg);
}
.postprofile dt img {
-moz-box-shadow: 4px 4px 4px rgba(0,0,0,0.2);
-moz-transition: all .5s ease;
-o-transition: all .5s ease;
-webkit-box-shadow: 4px 4px 4px
rgba(0, 0, 0, 0.2);
-webkit-transition: all .5s ease-out;
border: 5px solid
#EEE;
box-shadow: 4px 4px 4px
rgba(0, 0, 0, 0.2);
margin: 3px;
}