/*** Borda do hover das imagens ***/ 
a.img_borda,
a.img_borda img{
    float: left;
    overflow: hidden;
    border-color: #0071bd;
}
a.img_borda:hover {
    border-style: solid;
    border-width: 5px;
}
a.img_borda:hover img{
    margin: -5px;
}

/**/