/* set-up */
* {
    box-sizing: border-box;
}
/* body {
    background: gainsboro;
}*/

#tablecontainer {
    width: 752px;
    box-shadow: 0 0 5px silver;
    min-height: 200px;
    background: white;
    padding: 20px;
    font-family: Arial;
    font-size: 15px;
}
.tablecenter {
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    color: rgba(0, 0, 0, .7);
}
table:last-child {
    margin-bottom: 0;
}
tr.thead td, td.thead {
    font-weight: bold;
    background: rgba(0, 0, 0, .05);
    text-align: left;
    color: rgba(0, 0, 0, .55);
}
tr.thead2 td, td.thead2 {
    font-weight: bold;
    background: rgba(0, 0, 0, .1);
    text-align: center;
    color: rgba(0, 0, 0, .55);
}
table td {
    border: 1px solid rgb(200, 200, 200);
    padding: 4px;
}

tr.spacer td {
    border: none;
}