block.admin.css 

#blocks tr.region-title td {
  font-weight: bold;
}
#blocks tr.region-message {
  font-weight: normal;
  color: #999;
}
#blocks tr.region-populated {
  display: none;
}
.block-region {
  background-color: #ff6;
  margin-top: 4px;
  margin-bottom: 4px;
  padding: 3px;
}
a.block-demo-backlink,
a.block-demo-backlink:link,
a.block-demo-backlink:visited {
  background-color: #b4d7f0;
  border-radius: 0 0 10px 10px;
  color: #000;
  font-family: "Lucida Grande", Verdana, sans-serif;
  font-size: small;
  line-height: 20px;
  left: 20px; /*LTR*/
  padding: 5px 10px;
  position: fixed;
  z-index: 499;
}
a.block-demo-backlink:hover {
  text-decoration: underline;
}

File

drupal/core/modules/block/block.admin.css
View source
  1. #blocks tr.region-title td {

  2.   font-weight: bold;

  3. }

  4. #blocks tr.region-message {

  5.   font-weight: normal;

  6.   color: #999;

  7. }

  8. #blocks tr.region-populated {

  9.   display: none;

  10. }

  11. .block-region {

  12.   background-color: #ff6;

  13.   margin-top: 4px;

  14.   margin-bottom: 4px;

  15.   padding: 3px;

  16. }

  17. a.block-demo-backlink,

  18. a.block-demo-backlink:link,

  19. a.block-demo-backlink:visited {

  20.   background-color: #b4d7f0;

  21.   border-radius: 0 0 10px 10px;

  22.   color: #000;

  23.   font-family: "Lucida Grande", Verdana, sans-serif;

  24.   font-size: small;

  25.   line-height: 20px;

  26.   left: 20px; /*LTR*/

  27.   padding: 5px 10px;

  28.   position: fixed;

  29.   z-index: 499;

  30. }

  31. a.block-demo-backlink:hover {

  32.   text-decoration: underline;

  33. }