:root {
    --pill-border-color: var(--blue-3);
    --pill-text-color: var(--blue-5);
    --active-pill-bg-color: var(--blue-2);
    --active-pill-border-color: var(--blue-4);
    --active-pill-text-color: var(--blue-4);
}
.tab-container {
    display: flex;
    justify-content: center;
}
.tab-container > * + * {
    margin-left: 1rem;
}
.tab {
    padding: .5rem 1rem;
    position: relative;
}
.tab.active {
    padding-left: 2rem;
}
.tab.active::before {
    content: "";
    background: #0077AD; /* Fallback */
    background: var(--blue-4);
    border-radius: 100%;
    display: inline;
    position: absolute;
    width: 8px;
    height: 8px;
    left: 1rem;
    top: calc(50% - 4px);
}

/** THEME */
.tab {
    border-radius:50px;
    border: 1px solid #BFDDEA; /* Fallback */
    color: #4D7393; /* Fallback */
    border: 1px solid var(--pill-border-color);
    color: var(--pill-text-color);
    font-weight: 700;
}
.tab, .tab:hover, .tab:active, .tab:visited { 
    text-decoration: none;
}
.tab:hover {
    background: #D9EBF3;
}
.tab:focus {
    outline: 3px #F9B232 solid;
    outline-offset: 3px;
}
.tab.active {
    border: 1px solid #0077AD; /* Fallback */
    background-color: #D9EBF3; /* Fallback */
    color: #0077AD; /* Fallback */
    border: 1px solid var(--active-pill-border-color);
    background-color: var(--active-pill-bg-color);
    color: var(--active-pill-text-color);
}