table{
    padding:5px;
    border-collapse:collapse; 
    margin-left:25px;
}

table,tr,td{
    border: 1px solid grey;
}

tr,td{
    height: 30px;
}

tr:nth-child(even){
    background-color: #f2f2f2;
}

input[type=submit]{
    width:20em;
    height:2em;
}