* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html,
body {
    width: 100%;
    height: 100%;
}

.calculator {
    background-color: #222222;
    max-width: 18rem;   
    width: 100%;
    margin: 30px auto;
    padding: 10px;
    border-radius: 10px;
}

.display {
    width: 100%;
    height: 3rem;
    background-color: #111111;
    color: #02FF00;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 10px;
    font-size: 20px;
    border-radius: 5px;
}

.buttonsContainer {
    user-select: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    padding: 10px 0;
}

.buttonsContainer button {
    width: 100%;
    border-radius: 8px;
    background-color: #333333;
    color: white;
    font-size: 16px;
    border: none;
    padding: 12px 0;
    transition: all linear 0.2s;
}

.buttonsContainer button:hover {
    scale: 1.05;
}

.buttonsContainer button:active {
    scale: 0.95;
}

.buttonsContainer .clearBtn {
    background-color: lch(49.52% 75.16 32.56);
    grid-column: span 2;
}

.buttonsContainer .operator {
    background-color: #FF9500;
}


.buttonsContainer .equalTo {
    grid-column: span 1;
    background-color: #1E90FF;
}
 .buttonsContainer .deleteBtn {
    background-color: red;
}