.tab-1 {
    display: flex;
    flex-wrap: wrap;
    max-width: 75%;
}

.tab-1 > label {
    flex: 1 1;
    order: -1;
    min-width: 70px;
    padding: .7em 1em .5em;
    border-bottom: 1px solid #f0f0f0;
    border-radius: 0;
    background-color: #e9f0f6;
    color: #535353;
    font-size: 1.4vw;
    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: #2589d0 #f0f0f0 #fff;
    border-style: solid;
    border-width: 4px 1px 1px;
    border-radius: 5px;
    color: #333333;
}

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