calcu.css

 
h1 {  
    text-align: center;  
    padding: 23px;  
    background-color: rgb(112, 243, 98);  
    color: #3b07f5;
    border-radius:80px;
    
    }  
  
#clear{  
width: 270px;  
border: 3px solid gray;  
    border-radius: 10px;  
    padding: 8px;  
    background-color: red;  
}  
  
.formstyle  
{  
width: 300px;  
height: 530px;  
margin: auto;  
border: 3px solid rgb(35, 6, 251);  
border-radius: 20px;  
padding: 20px;  
}  
  
  
  
input  
{  
width: 20px;  
background-color: rgb(26, 0, 128);  
color: white;  
border: 3px solid gray;  
    border-radius: 10px;  
    padding: 26px;  
    margin: 5px;  
    font-size: 17px;  
}  
  
  
#calc{  
width: 250px;  
border: 7px solid rgb(251, 12, 12);  
    border-radius: 3px;  
    padding: 20px;  
    margin: auto;  
}