span.thumbnail a, span.thumbnail-right a, span.thumbnail-left a {
  border:none !important;
}
span.thumbnail, span.thumbnail-right, span.thumbnail-left {
  background-color:#eaeaea;
  margin:0.5em;
}
span.thumbnail-right {
  margin-right:0em;
}
span.thumbnail-left {
  margin-left:0em;
}