button {
  position: relative;

  /*text and colors*/
  font-size: 14px;
  color: #FFFFFF;
  font-family: "Open Sans", "Lucida Sans", "Trebuchet MS", "Arial";
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  font-weight: bold;

  /*size*/
  padding: 4px 10px 4px 10px;
  
  

  /*border*/
  border: 1px none #000000;
  -moz-border-radius: 0em;
  -webkit-border-radius: 0em;
  border-radius: 0em;

  background: #000000; /* for non-css3 browsers */

  /* gradients */
  background: linear-gradient(#000000, #000000);
  background: -webkit-gradient(linear, left top, left bottom, from(#000000), to(#000000)); /* for webkit browsers */
  background: -moz-linear-gradient(top,  #000000, #000000); /* for firefox 3.6+ */
  background: -ms-linear-gradient(#000000, #000000);
  filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0, startColorstr='#000000', endColorstr='#000000');
  -pie-background: linear-gradient(#000000, #000000);

position: relative;
  behavior: url(/hub/css/PIE.htc);
}
button:link {
  color: #FFFFFF;
  text-decoration: none;
  width: 100px;
}
button:hover {
  position: relative;
  text-decoration: none;
  color: #FFFFFF;
  background: #472f92; /* for non-css3 browsers */

  /*gradients */
  background: linear-gradient(#472f92, #472f92);
  background: -webkit-gradient(linear, left top, left bottom, from(#472f92), to(#472f92)); /* for webkit browsers */
  background: -moz-linear-gradient(top,  #472f92, #472f92); /* for firefox 3.6+ */
  background: -ms-linear-gradient(#472f92, #472f92);
  filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0, startColorstr='#472f92', endColorstr='#472f92');
  -pie-background: linear-gradient(#472f92, #472f92);
  behavior: url(/hub/css/PIE.htc);
}
button img {
  margin-bottom: 0px;
  padding-bottom: 0px;
}