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

.container {
    background-color: #C6F9FF;
    width: 400px;
    height: 650px;
    border: 3px solid black;
    border-radius: 20px;

    display: flex;
    flex-direction: column;
    align-items: center;
}

.display {
    height: 80px;
    width: 360px;
    margin-top: 16px;
    margin-bottom: 25px;
    background-color: white;
    border: 3px solid black;
    border-radius: 5px;

    font-size: 50px;
    padding-right: 10px;

    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
}

.buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
button {
    border-radius: 5px;
}
.right {
    display: flex;
    flex-direction: column;
}