.button a {
font: bold 12px Verdana, Arial, sans-serif;
text-decoration: none;
color: #FFFFCC;
background: url(image/mybutton.png);
display: block;
width: 140px;
line-height: 24px;
height: 24px;
}

.button a:hover{
background-position: 0px -24px;
text-decoration: none;
color: #FFFFCC;
} 


.button1 a {
font: bold 12px Verdana, Arial, sans-serif;
text-decoration: none;
color: #FFFFCC;
background: url(image/mybutton.png);
display: block;
background-position: 0px -24px;
height: 24px;
line-height: 24px;
}

.button1 a:hover{
background-position: 0px -24px;
text-decoration: none;
color: #FFFFCC;
}