h4 {
    color: #4DB2EC; 
    font-size: 20px; 
    font-weight: 300; 
    font-style: normal;  
}
.questions {
    color: #000000; 
    font-size: 18px; 
    font-weight: 300; 
    font-style: normal;  
}
label.error {
    color:red;
    display: none;
}
#success_message {
    display: none;
}
.btn-primary {
    color: #fff;
    background-color: #337ab7;
    border-color: #2e6da4;
}