.screenshotTable td{
    padding-bottom: 25px;
    text-align: center;
}

.screenshotTable a{
    border: solid 1px #aaa;
    display: block;
    width: 150px;
    margin: 0 auto;
}

.screenshotTable img{
    margin: 0;
    padding: 0;
    border: none;
}