FunctionProject/website/components/FunctionPage/FunctionTabs.css

.FunctionTabs__nav {
    display: flex;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
    border-bottom: 1px solid #d9e2ef;
    margin-bottom: -1px;
    margin-top: 30px;
}
.FunctionTabs__nav-item {
    margin-bottom: -1px;
    cursor: pointer;
}
.FunctionTabs__nav-link {
    color: var(--text-color);
    border: 1px solid #0c0b0b38;
    border-bottom: 0px;
    border-top-left-radius: .375rem;
    border-top-right-radius: .375rem;
    display: block;
    padding: .5rem 1rem;
    transition: .2s;
}
.FunctionTabs__nav-link-active {
    border-color: #d9e2ef #d9e2ef #fff;
    color: var(--important);
}
.FunctionTabs__nav-link:hover {
    border-color: #f1f4f8 #f1f4f8 #d9e2ef;
    text-decoration: none;
}

@media (max-width: 490px) {
    .FunctionTabs__nav {
        flex-direction: column;
    }
    .FunctionTabs__nav-link {
        border-color: #f1f4f8 #f1f4f8 #d9e2ef;
    }
}