table.log {
    padding:20px;
    width:100%;
}

table.log th {
    border:1px solid #ccc;
}

table.log td.when {
    text-align:center;
}

input.btn-vs {
    font-size:10px;
    padding:2px;
    margin:2px;
}

table.log tr:nth-child(even) {background: #CCC}