.anh img{
-webkit-transform:scale(0.4);
-moz-transform:scale(0.8);
-o-transform:scale(0.8);
-webkit-transition-duration: 0.5s;
-moz-transition-duration: 0.5s;
-o-transition-duration: 0.5s;
opacity: 1.;
margin: 0 1px 1px 0;
}

.anh img:hover{
-webkit-transform:scale(1.2);
-moz-transform:scale(1.2);
-o-transform:scale(1.2);
-webkit-box-shadow:2px 2px 7px #000000;
-moz-box-shadow:2px 2px 7px #000000;
opacity: 1;
}