*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background:linear-gradient(45deg,#0a0a0a,#3a4452);
}
#calculator{
    border:1px solid #717377;
    border-radius: 16px;
    box-shadow: 0px 3px 15px rgba(113,115,119,0.5);
    background: transparent;
    padding:20px;
    margin: 0px;
    
}
#inputt{
    width:320px;
    border:none;
    background: transparent;
    text-align: right;
    padding:24px;
    margin: 10px;
    box-shadow: -8px -8px 15px rgba(84,84,84,0.1);
    font-size: 40px;
    cursor: pointer;
    color: #ffffff;
}
input::placeholder{
    color: #ffffff;
}
button{
    border:none;
    width:60px;
    height:60px;
    border-radius: 50%;
    margin: 10px;
    background: transparent;
    color: #ffffff;
    font-size: 20px;
    box-shadow: -4px 0px 10px rgba(255,255,255,0.1);
    cursor: pointer;
}
#eqbtn{
    background-color: #fb7c14;
}
.operator{
    color: #6dee0a;
}
@media (max-width: 400px) {
    body {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        margin: 0;
    }

    #calculator {
        padding: 10px;
        transform: scale(0.85);
        margin: 0;
    }

    #inputt {
        width: 260px;
        padding: 16px;
        font-size: 28px;
    }

    button {
        width: 50px;
        height: 50px;
        font-size: 18px;
        margin: 8px;
    }
}