.keyboard-container {
    display: flex;
    gap: 2rem;
    background-color: white;
    padding: 3.75rem 6rem;
    border-radius: 6.25rem 6.25rem 0 0;
}

.keys-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
}

.actions-container {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

.key {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 126px;
    height: 112px;
    font-size: 2.75rem;
    font-weight: 600;
    color: black;
    border: none;
    line-height: 0;
    background-color: white;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
    border-radius: 22px;
    cursor: pointer;
}

.key#submit {
    background-color: var(--primary-color);
}

.key#clear {
    background-color: var(--danger-color);
}

.key.disabled,
.key:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}