KNACSS/css/tables.css

/* -----------------------------
             tables
  ----------------------------- */

table,
.table {
    max-width : 100%;
    table-layout: fixed;
    border-collapse: collapse;
    vertical-align: top;
}
table {
    width: 100%;
}
.table {
    display: table;
}
table#recaptcha_table,
table.table-auto {
    table-layout:auto;
}
caption {
    padding: 10px;
    color: #555;
    font-style: italic;
}
table {
    border: 1px solid #ccc;
}
tr > * + * {
    border-left: 1px solid #ccc;
}
th,
td {
    padding: .3em .8em;
    text-align: left;
    border-bottom: 1px solid #ccc;
}
td {
    color: #333;
}

/* alternate tables */
.alternate { border: 0; }
.alternate tbody {
    border: 1px solid #ccc;
}
.alternate thead tr > * + * {
    border-left: 0;
}
.alternate tbody tr > * + * {
    border-left: 1px solid #ccc;
}

/* alternate-vert tables */
.alternate-vert {
    border: 0;
    border-right: 1px solid #ccc;
}
.alternate-vert tr > :first-child {
    border-bottom: 0;
}
.alternate-vert tr > * + * {
    border-top: 1px solid #ccc;
}

/* striped tables */
.striped tbody tr:nth-child(odd) {
    background: #eee;
    background: rgba(0, 0, 0, .05);
}

/* striped-vert tables */
.striped-vert tr > :first-child {
    background: #eee;
    background: rgba(0, 0, 0, .05);
}