#numberInput {
    padding: 10px;
    font-size: 16px;
}

.number-pad {
    display: none;
    position: absolute;
    /*bottom: 20px;*/
    background: #fff;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 10px;
    text-align: center;
    z-index: 1099;
}

.number-btn {
    font-size: 18px;
    padding: 15px;
    border: none;
    background: #f0f0f0;
    cursor: pointer;
    border-radius: 5px;
    font-weight: 600;
}

.number-btn:hover {
    background: #e0e0e0;
}

.clear-btn {
    font-size: 18px;
    padding: 15px;
    border: none;
    border-radius: 5px;
    background: #ff6666;
    color: white;
    font-weight: 600;
}

.submit-btn {
    background: #4CAF50;
    color: white;
}

.number-pad button {
    width: 60px;
    height: 60px;
}

.backspace-btn {
    font-size: 18px;
    padding: 15px;
    border: none;
    border-radius: 5px;
    background: #ffa500;
    color: white;
    font-weight: 600;
}

.backspace-btn:hover {
    background: #e59400;
}