@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300&display=swap');


.ot{
    background-color: orange;
}
.at{
    color: black;
    background-color: gray;
}
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins',sans-serif;
}
body{
    width: 100%;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
}
.calculator{
    margin-top: 75px;
    border: 1px solid #fff;
    padding: 20px;
    border-radius: 16px;
    background: transparent;
    box-shadow: 0px 3px 15px rgba(113,115,119,0.6);
}
input{
    color: white;
    width: 320px;
    border: none;
    font-size: 50px;
    padding: 20px;
    margin: 10px;
    background: transparent;
    text-align: right;
}
input::placeholder{
    color: #fff;
}
button{
    height: 60px;
    width: 60px;
    border: none;
    background-color: rgb(58, 57, 57);
    font-size: 25px;
    font-weight:bold;
    margin: 10px;
    padding: 10px;
    border-radius: 50%;
    color: white;
}
.am{
    border-radius: 20%;
    padding: 10px;
    margin: 10px;
    width: 145px;
}