#cart{
    width: 100%;
    border 5px sold black;
}
    #cart td{
        text-align:center;
        border: 1px solid black; 
    }
    #cart td img{
        width: 200px;
        display: block;
    }
    #cart div, #cart form {
        display: inline-block;
    }
    #cart form button{
        width: 80px;
    }