.tabs {
    display: flex;
    flex-wrap: wrap;
}

.tab-input {
    display: none;
}

.tab-label {
    padding: 10px 20px;
    background-color: #f1f1f1;
    cursor: pointer;
    border: 1px solid #ccc;
    border-bottom: none;
}

.tab-content {
    display: none;
    width: 100%;
    padding: 20px;
    border: 1px solid #ccc;
    order: 1;
}

.tab-input:checked + .tab-label {
    background-color: #fff;
    border-bottom: 1px solid #fff;
}

    .tab-input:checked + .tab-label + .tab-content {
        display: block;
    }