/* styles.css */
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
}

.calculator {
    background: rgb(153, 177, 177);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.calculator h4{
    text-decoration: solid underline ;
    color: rgb(167, 32, 99);
}
#display {
    width: 100%;
    height: 40px;
    font-size: 2em;
    text-align: right;
    margin-bottom: 10px;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

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

button {
    padding: 20px;
    font-size: 1.5em;
    border: none;
    border-radius: 5px;
    background: #4540aa;
    color: rgb(0, 255, 251);
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #835c1a;
}