.calendar-switch {
    text-align: center;
    margin: 20px 0;
}

.calendar-switch button {
    background: #222;
    color: #fff;
    border: none;
    padding: 10px 18px;
    margin: 0 5px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

.calendar-switch button.active {
    background: #7CB342;
}

.calendar-switch button:hover {
    background: #555;
}