.body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
}

.calculator {
    margin-top: 50px;
    background-color: #414141;
    border: 1px solid #ccc;
    box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.4);
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    color: #fff;
}

input[type="text"] {
    height: 50px;
    font-size: 24px;
    margin-bottom: 10px;
    text-align: right;
}

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

button {
    width: 100%;
    height: 60px;
    font-size: 24px;
}

.operator {
    background-color: #ff9800;
    color: #fff;
}

button:hover {
    background-color: #ffac33;
}

.clear {
    color: #fff;
    background-color: rgb(230, 29, 29);
}
.clear:hover{
    background-color: rgb(250, 29, 29);
}