* {
    margin: 10px;
    padding: 5px;
}

.calculator {
    border: 1px solid rgb(187,183,183);
    border-radius: 5px;
    width: 300px;
}

#display {
    margin: 10px;
    width: 90%;
    font-size: 25px;
}

.btn {
    width: 70px;
    height: 70px;
    margin: 3px;
    size: 20px;
}

.button-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    background-color:azure;
}

.btn:hover {
    color: rgba(4, 205, 195, 0.918);
}

input {
    border-radius: 8px;
    border-color: rgb(175, 116, 38);
}

input:hover {
    border-color: rgba(204, 246, 38, 0.755);
}