.peca_box {
    display: inline-block;
    float: left;
    height: 300px;
    margin-bottom: 75px;
    margin-right: 60px;
    padding: 5px;
    width: 250px;
}
.peca_box:hover {
}

.peca_titulo{
text-align:center;
margin-top:10px;
}


.peca_box:hover > img{
opacity:0.7;
 -webkit-transition: opacity .5s ease-in-out;
 -moz-transition: opacity .5s ease-in-out;
 -o-transition: opacity .5s ease-in-out;
 transition: opacity .5s ease-in-out;
}

.peca_box img{
width:300px;
height:auto;
}

.itens_colecoes{
padding-top:4%;
padding-left:4%;
 width: 100%;
 max-height:100%;
 overflow:hidden;
}


.itens_colecoes h6 {
    display: inline-block;
    font-size: 20px;
    margin-bottom: 15px;
    width: 100%;
}