.calculator-container {
    border-radius: 7px;
    background-color: #fff;
    padding: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

.result-display {
    font-size: 2em;
    text-align: right;
    padding: 10px 15px;
    border-bottom: 1px solid #ccc;
}

.button-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
    padding: 10px;
}

.calculator-button {
    border: none;
    outline: none;
    cursor: pointer;
    font-size: 1.2em;
    padding: 15px 0;
    background-color: #eee;
    border-radius: 5px;
}

.operator-button {
    background-color: #ff8c00;
    color: #fff;
}

.operator-button:hover {
    background-color: #ff9933;
}