#share42 {
  position: fixed;
  z-index: 1000;
  margin-left: -70px; /* смещение панели влево от края контента */
  padding: 6px 6px 0;
  background: #FFF;
  border: 1px solid #E9E9E9;
  -moz-border-radius: 4px;
  border-radius: 4px;
}
* html #share42 {display: none}
#share42:hover {
  background: #F6F6F6;
  border: 1px solid #D4D4D4;
  -webkit-box-shadow: 0 0 5px #DDD;
  -moz-box-shadow: 0 0 5px #DDD;
  box-shadow: 0 0 5px #DDD;
}
#share42 a {opacity: 0.5}
#share42:hover a {opacity: 0.7}
#share42 a:hover {opacity: 1}
#share42 img {margin: 0 !important; padding: 0 !important; border: none !important;}