@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,900;1,900&display=swap');

body{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
*{
    font-family: 'Nunito', sans-serif;
    font-size: 40px;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.operator{
    background: #d90429;
    color: #edf2f4;
}

body{
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #343a40;
}

body #calculator{
    padding: 25px;
    background: #2b2d42;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    gap: 25px;
    box-shadow: 0 0 20px hsla(0, 0%, 0%, 0.2%);
    border-radius: 10px;

}

body #calculator input{
    width: 330px;
    height: 25px;
    padding: 30px;
    border: none;
    font-size: 31px;
    box-shadow: 0 0 20px hsla(0, 0%, 0%, 0.2%);
    border-radius:10px;
}

body #calculator #keys{
    display: flex;
    flex-direction: column;
    gap: 10px;
}

body #calculator #keys div{
    display: flex;
    flex-direction: row;
    gap: 10px;
}

body #calculator #keys div #calc{
    width: 390px;
}


body #calculator #keys button{
    width: 90px;
    height: 90px;
    border: none;
    box-shadow: 0 0 20px hsla(0, 0%, 0%, 0.2%);
    border-radius: 10px;
    transition: .05s;
    cursor: pointer;
}

body #calculator #keys button:active{
    transform: scale(1.1,1.1);
    transition: .05s;
}

@media only screen and (max-width: 512px) {
    body{
        width: 100vw;
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    body #calculator input{
        width: 229px;
    }

    body #calculator #keys button{
        width: 65px;
        height: 65px;
    }
    body #calculator #keys div #calc{
        width: 290px;
    }

}