.tab-content table {
    border-collapse: collapse;
    margin: 0 auto;
    width: 100%;
}

.tabs [id^="tab"]:checked ~ [id^="tab-content"] {
    display: block;
}

.tab-content table tr:nth-child(2n+1) {
    background-color: #F1F0F0;
}

.tab-content table td {
    padding: 10px;
    border: 1px solid lightgrey;
}