* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
}



.container {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    height: 100vh;
    background-color: azure;
    align-items: center;
    justify-content: center;
}

.calculator {
    border-radius: 12px;
    background-color: darkblue;
    padding: 20px;

}

.button_C {
    
    border: 2px solid;
    width: 70px;
    height: 70px;
    margin: 10px;
    border-radius: 12px;
    background: grey;
    font-size: 30px;
    color: aliceblue;
    cursor: pointer;
}

.calculator input {
    border: 2px solid;
    width: 70px;
    height: 70px;
    margin: 10px;
    border-radius: 12px;
    background: grey;
    font-size: 30px;
    color: aliceblue;
    cursor: pointer;
}

.display {
    display: flex;
    justify-content: flex-end;
    margin: 20px 0px;
}

#display {
    width: 95%;
}

#box {
    width: 95%;
}