how to add and remove css class

Question

how to remove CSS default class

This is my div

This is my css class

#messageContai         


        

Answer 1

Try to add a period before your css class definition.

Using your example above you should use:

.messageContainer{
height:26px;    
color:#FFFFFF;  
BACKGROUND-COLOR: #6af; 
VERTICAL-ALIGN: middle;
TEXT-ALIGN: center;
PADDING-TOP:6px;    
}