.grid-header {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
    width: 100%;
    max-width: 100%;
    background-color: #89edc5;
}

.four-grid-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    width: 100%;
    padding: 10px; /* Add this */
    box-sizing: border-box; /* Add this */
}

.four-grid-item {
    background-color: #ff99e9;
    border: 1px solid #ccc;
    padding: 20px;
    text-align: center;
    font-size: 36px;
    font-weight: bold; 
    font-family: 'helvetica', sans-serif;
    color: white;
    aspect-ratio: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box; /* Add this */
    width: 100%; /* Add this */
}

@media (min-width: 1000px) and (max-width: 1399px) {
    .four-grid-section {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 600px) and (max-width: 999px) {
    .four-grid-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 599px) {
    .four-grid-section {
        grid-template-columns: 1fr;
    }
}