Stick It skin by AO3 

Sticks the secondary (page specific) navigation to the left and fixes it there-- might be a little buggy it is very late
Role:
Media:
screen
Condition:
Normal

CSS

#main {
  width: 75%;
}

#main.dashboard {
  margin-right: 16%;
  width: 58%;
}

#main ul.actions {
  position: fixed;
  background: #ddd;
  border: 2px solid #fff;
  width: 15%;
  right: 0;
  z-index: 3000;
  box-shadow: 1px 1px 3px;
  text-align: left;
}

#main ul.actions li,
#main ul.actions a {
  display: block;
}

#main .group ul.actions {
  position: static;
  background: none;
  border: 0;
  width: auto;
  box-shadow: none;
}

#main .group ul.actions li,
#main .group ul.actions a {
  display: inline-block;
}