My favorite button style.
.button {
font-weight: bold;
padding: 4px 10px;
background: #fff;
border-top: 1px solid #dedede;
-webkit-box-shadow: 0 1px 1px #888;
-moz-box-shadow: 0 1px 1px #888;
box-shadow: 0 1px 1px #888;
width: auto;
color: #444;
text-decoration: none;
display: inline-block;
background: linear-gradient(top, #ebece7 0%, #fff 100%);
background: -moz-linear-gradient(top, #ebece7 0%, #fff 100%);
background: -webkit-linear-gradient(top, #ebece7 0%, #fff 100%);
border-radius: 2px;
margin: 4px;
}
.button:hover, .button:focus {
background: #fff;
color: #000;
}
.button:active, .button_active {
border: 2px solid #007dc8;
color: #000;
padding: 4px 9px 3px 9px;
-webkit-box-shadow: none;
-moz-box-shadow: none;
background: #fff;
margin: 3px;
}