body {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

#mainContainer {
    background-color: #FFE5E5;
    border: 2px solid black;
    border-radius: 5px;
    flex-direction: column;
    padding: 10px;
}

#displayContainer {
    border: 2px solid black;
    border-radius: 5px;
    height: 15vh;
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    background-color: #AC87C5;
    margin-bottom: 15px;
}

.displayLabel {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 42px;
    font-weight: 800;
}

#buttonsContainer {
    margin: 0 auto;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    width: 50%;
    gap: 2px;
}

.userInputButton,
.actionButton,
.operatorBtn {
    flex: 0 0 calc(33.33% - 10px);
    font-size: 42px;
    border: 2px solid black;
    border-radius: 3px;
    background-color: #E0AED0;
    color: #756AB6;
}