*{
    margin: 0;
    padding: 0;
    border: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body
{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg,#0a0a0a,#3a4452);
}

.main
{
    border: 1px solid #717377;
    padding: 20px;
    border-radius: 16px;
    background: rgba(0,0,0,0.78);
    box-shadow: 0px 3px 15px rgba(113,115,119,0.5);
}


input{
    width: 320px;
    border: none;
    padding: 24px;
    margin: 10px;
    background: transparent;
    box-shadow: 0px 3px 15px rgba(84,84,84,0.1);
    font-size: 40px;
    text-align: right;
    cursor: pointer;
    color: white;
}

input::placeholder{
    color:#ffffff;
}

button
{
    border: none;
    width: 60px;
    height: 60px;
    margin: 10px;
    border-radius: 50px;
    background:transparent;
    color: white;
    font-size: 20px;
    font-weight: 750;
    box-shadow: -8px -8px 15px rgba(255,255,255,0.1);
    cursor: pointer;
}

button:hover
{
    background-color: white;
    color: black;
}

.operators
{
    color:#6dee0a;
}

.operators:hover
{
    background-color:#6dee0a ;
    color:black;
}


.Equal
{
    background-color: orange;
}

.Equal:hover
{
    background-color: white;
    color: orange;
}