.months {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 70px;
	margin: 0 200px;
}

.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
}

.header,
.day {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: center;
}

.header {
    font-weight: bold;
    background: #eee;
}

.empty {
    background: #f9f9f9;
}