body {
    background-color: #C0C0C0;
}




/* Display */
.display {
    font-family: 'Digital', sans-serif;
    color: #363636;
    font-size: 2.5em;
    font-weight: bold;
    text-align: right;
    padding: 20px;
    border-radius: 5px;
    background-color: #FFFFFF;
    margin-bottom: 20px;
}

/* Buttons */
button {
    font-size: 2em;
    font-weight: bold;
    border-radius: 5px;
    width: 70px;
    height: 70px;

}

/* Number Buttons */
.num-btn {
    background-color: #F5F5F5;
    color: #363636;
}

/* Operator Buttons */
.op-btn {
    background-color: #FDB813;
    color: #FFFFFF;
}

/* Random Buttons */
.rd-btn {
    background-color: gray;
    color: #FFFFFF;
}

/* Equals Button */
.equals-btn {
    background-color: #FDB813;
    color: #FFFFFF;
    width: 100%;
    height: 150px;
    font-size: 2.5em;
    margin-top: 20px;
}

/* Clear Button */
.clear-btn {
    background-color: #F44336;
    color: #FFFFFF;
}

.leftText{
    text-align: center;
}