body{
    background-color: #000;
    padding:0;
    margin:0;
}
.pb-250-250{
    border: 1px solid #ccc;
    position: relative;
    height: 250px;
    width: 250px;
    float: left;
    margin: 0;
}
.titulo{
    background-color: #fff;
    position: absolute;
    font-family: arial;
    font-size: 14px;
    padding: 2px;
    left:1px;
    top:0;
}
.img-250-250{
    height: 250px;
    max-width: 250px;
}