.tab-1 {
    display: flex;
    flex-wrap: wrap;
    max-width: 100%;
}

.tab-1 > label {
    flex: 1 1;
    order: -1;
    min-width: 70px;
    padding: .7em 1em .5em;
    border-bottom: 1px solid #f0f0f0;
    border-radius: 7px 7px 0px 0px;
    background-color: #89c3eb;
    color: #202020;
    font-size: 1.2em;
    text-align: center;
    cursor: pointer;
}

.tab-1 > label:hover {
    opacity: .8;
}

.tab-1 input {
    display: none;
}

.tab-1 > div {
    display: none;
    width: 100%;
    padding: 1.5em 1em;
    background-color: #fff;
}

.tab-1 label:has(:checked) {
    background-color: #fff;
    border-color: #296ab2 #f0f0f0 #fff;
    border-style: solid;
    border-width: 4px 1px 1px;
    border-radius: 7px;
    color: #000000;
}

.tab-1 label:has(:checked) + div {
    display: block;
}