style.css

body{
    background-color: rgba(102, 101, 133, 0.652);
}
#calc{
    
   
    background-color: black;
    height: 500px;
    width: 400px;
}
#screen{
  display:flex;
  border-color: black;
  pointer-events: none;

}
#text-1{
    display: flex;
    width: 1000px;
    height: 150px;
    background-color: black;
    color: white;
    text-align: right;
    font-size: xx-large;
    font-family: 

}

#btn{
    width: 90px;
    height: 60px;
    background-color: black;
    color: white;
    font-size: 30px;
    cursor: pointer;
}
#btn:hover{
    background-color: chocolate;
}
#btn.equalButton{
    z-index: 1;
    color: white;
    background-color: rgb(255, 110, 7);
    border-radius: 50%;
    width: 60px;
    font-size: 30px;
    align-items: right;
}
#btn.orangeButton{
    color: orange;
}
#main{
    display: flex;
    justify-content: center;
    margin-top: 100px;
}
#btn.null-button{
    cursor:auto;

}
#btn.null-button:hover{
    background-color: black;
    
   
}