body{
    padding: 0;
    margin: 0;
    background-color: #c50a0a;
}
.calculator-body{
    margin: auto;
    height: 550px;
    width: 350px;
    background-color: white;
    border-radius: 10px;
}
.calc-operators{
    padding: 0 0px 0px 25px;
}
.calc-screen{
    text-align: right;
    height: 175px;
    color: #606060;
    font-size: 40px;
    padding: 40px 20px 0px 20px;

}
.btn{
    font-size: 20px;

}
.button1{
    background-color: #ebe9e9;
    color: #DCDCDC;
    font-size: 20px;
    border: none;
    margin: 5px 7px;
}
.button1 span{
    color: #606060;
}

.button2{
    margin: 0 5px;
}