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.usermessage {

background-color: lightgreen;
border-color: #B5F;
color: black;
font-weight: bold;
margin: 2em 0em 1em 0em;
padding: 0.5em 1em;
vertical-align: middle;
-moz-border-radius-topleft: 1em; 
-moz-border-radius-bottomleft: 1em;
-moz-border-radius-topright: 1em; 
-moz-border-radius-bottomright: 1em;
text-align: center;

}