.o-tab {
    display: flex;
    width: 100%;
    margin-bottom: 16px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* o-tab__item */

.o-tab__item {
    width: 20%;
}

/* IE11 */
*::-ms-backdrop,
.o-tab__item {
    width: 20%;
}

.o-tab__item:not(:last-child) {
    border-right: 1px solid #FFF;
}

.o-tab__item>a {
    display: grid;
    place-content: center;
    position: relative;
    padding: 10px 3px;
    background-color: #666;
    color: #FFF !important;
    text-align: center;
    text-decoration: none !important;
    font-size: 87.5%;
    height: 100%;
}

@media (max-width: 480px) {
    [aria-controls="tab-1"]>div {
        max-width: 4em;
    }
}

@media (max-width: 630px) {
    [aria-controls="tab-2"]>div {
        font-size: 0.75em;
    }
}

@media (max-width: 500px) {
    [aria-controls="tab-2"] br {
        display: none;
    }

    [aria-controls="tab-2"] br.d-none {
        display: inline;
    }
}

@media (max-width: 690px) {
    [aria-controls="tab-3"]>div {
        max-width: 6em;
    }
}

@media (max-width: 390px) {
    [aria-controls="tab-3"] div {
        font-size: 78%;
        max-width: 6rem;
    }

    [aria-controls="tab-3"] br.d-none {
        display: inline;
    }
}

@media (max-width: 690px) {
    [aria-controls="tab-5"]>div {
        max-width: 5em;
    }
}

@media (max-width: 410px) {
    [aria-controls="tab-5"]>div {
        font-size: 90%;
        max-width: 5em;
    }
}

.o-tab__item:first-child>a {
    border-top-left-radius: 6px;
}

.o-tab__item:last-child>a {
    border-top-right-radius: 6px;
}

.o-tab__item>a:hover {
    background-color: #555;
    transition: background-color .2s;
}

.o-tab__item>a[aria-selected="true"] {
    background-color: #0072BC;
    cursor: default;
}

.o-tab__item>a[aria-selected="true"]::before {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 1;
    margin-left: -10px;
    border: 10px solid transparent;
    border-top: 8px solid #0072BC;
}

@media (max-width: 1079px) {
    .o-tab__item>a {
        font-size: 81.3%;
    }
}

/* o-tab__panel */

.o-tab__panel[aria-hidden="true"] {
    display: none;
}