#myform { 
    background-color: #f0f5f4;
    padding: 20px 30px;
    margin-bottom: 40px;    
}

#myform label { 
    font-weight: bold;
} 

#myform button { 
    font-size: large; 
    padding: 6px 24px;
} 

#myform .valid-feedback, #myform .invalid-feedback { 
    font-size: large;
}