body {
    background-color: rgb(234, 192, 192);
}
.calc{
    padding-top: -20px;
    width: 400px;
    height: 400px;
    background-color: grey;
    margin-left: 250px;
    align-items: center;
    position: relative;
    top: 50px;
    left: 280px;
}
.screen{
    width: 80%;
    margin-left: 36px;
    height: 40px;
    margin-top: 30px;
    pointer-events: none;
}
.btn{
    width: 50px;
    height: 40px;
    margin-left: 30px;
    margin-top: 20px;
    font-size: 30px;
    font-size: 1.5rem;
    background-color: rgb(187, 112, 112);
}
.cc{
    width: 130px;
    height: 50px;
    margin-left: 30px;
    margin-top: 20px;
    font-size: 30px;
    font-size: 1.5rem;
    background-color: rgb(187, 112, 112);
}
h1 {
    text-align: center;
    color: black;
    font-size: 5rem;
    font-family: 'Courier New', Courier, monospace;
    font-weight:bolder;
}