table {
    border-collapse: collapse;
    border: 1px solid #aaa;
    width: 100%;
}
table thead tr {
    background: #aaa;
    color: #222;
    font-weight: bold;
}
table td {
    border: 1px solid #aaa;
}
table th {
    border: 1px solid #222;
}
table td:first-child {
    text-align: center;
}
.row25 {
    background: rgba(231, 43, 38, .2);
}
.row100 {
    background: rgba(135, 208, 59, .2);
}
.row50, .row75 {
    background: rgba(247, 143, 30, .2);
}