table.gallery {
    width:500px;
    height:200px;

}
td.picture {
    width:  150px;
    height: 150px;
    text-align: center;
    vertical-align: middle;
    border: black;
    border-width: 10px;
    border-style: groove;
}
td.picture img{
    width:100px;
    height:100px;
}
span.picture_title{
    width:40px;
    height:20px;
    border:black;
}