a.button {
    /* Sliding right image */
    background: transparent url('../Graphics/button_right.png') no-repeat scroll top right; 
display: block;
float: left;
height: 35px; /* CHANGE THIS VALUE ACCORDING TO IMAGE HEIGHT */
margin-right: 6px;
padding-right: 20px; /* CHENGE THIS VALUE ACCORDING TO RIGHT IMAGE WIDTH */
/* FONT PROPERTIES */
text-decoration: none;
color: #FFFFFF;
font-family: Arial, Helvetica, sans-serif;
font-size:16px;
font-weight:bold;
}
a.button span {
/* Background left image */ 
background: transparent url('../Graphics/button_left.png') no-repeat; 
display: block;
line-height: 22px; /* CHANGE THIS VALUE ACCORDING TO BUTTONG HEIGHT */
padding: 7px 0 5px 18px;
} 
a.button:hover span{
text-decoration:underline;
}