#main { 
        text-align: left !important;
        width: 600px;
}

form { 
        margin-bottom: 5ex;
}

li {    
        list-style: none;
        width: 26ex;
        display: block;
        float: left;
        margin: 0; padding: 0;
}

ul {    
        margin: 0; padding: 0;
}