.container
{
    width: 100%;
    height: 100vh;
    background: whitesmoke;
    display: flex;
    align-items: center;
    justify-content: center;
 }
.calc{
    background: #3a4452;
    padding: 20px;
    border-radius: 10px;
            
 }

 form .display 
{
display: flex;
justify-content: flex-end;
margin: 20px 0;

}

form .display  input[type="text"]{
    text-align: right;
    flex: 1;
    font-size: 45px;
    box-shadow: none;
}


.calc form input{
    border: 0;;
    outline: 0;
    width: 60px;
    height: 60px;
    border-radius: 10px;
    margin: 10px;
    box-shadow: -8px -8px 15px rgba(255, 255, 255, 0.1),5px 5px 15px rgba(0, 0, 0, 0.2);
    background: transparent;
    font-size: 20px;
    color: white;
    cursor: pointer;


}
/* input[type="button"]:hover
{
box-shadow: none;
} */

form input.equal{
    width: 145px;
    }