/* Calculator styles */
body {
    font-family: Arial, sans-serif;
    background-image: url('images/background.jpg'); /* Path to your background image */
    background-size: cover; /* Adjusts the image size to cover the entire viewport */
    background-repeat: no-repeat; /* Prevents image repetition */
    background-position: center; /* Centers the image on the page */
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.calculator {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    padding: 20px;
    width: 300px;
    text-align: center;
}

#display {
    width: 100%;
    padding: 10px;
    font-size: 24px;
    margin-bottom: 15px;
    border: none;
    border-bottom: 1px solid #ccc;
    outline: none;
}

.buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.button {
    background-color: #4CAF50;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 20px;
    padding: 15px 0;
    cursor: pointer;
    transition: background-color 0.2s;
}

.button:hover {
    background-color: #45a049;
}

.operator {
    background-color: #FF5722;
}

.operator:hover {
    background-color: #e64a19;
}

.calculate {
    background-color: #2196F3;
}

.calculate:hover {
    background-color: #1976D2;
}

.clear {
    background-color: #f44336;
}

.clear:hover {
    background-color: #d32f2f;
}