.postbody img{
    border:none;
    opacity:0.3;
    -webkit-transition: all 0.6s ease-in-out;
    -moz-transition:all 0.6s ease-in-out;
    -o-transition: all 0.6s ease-in-out;
    -moz-box-shadow:0px 0px 8px #000;
    -webkit-box-shadow:0px 0px 8px #000;
    -khtml-box-shadow:0px 0px 8px #000;
    box-shadow:0px 0px 8px #000;
}
img:hover{
    opacity:1.0;
}