  .btn-block + .btn-block {
    margin-top: 5px;
  }
  
  .btn-primary.active,
  .btn-warning.active,
  .btn-danger.active,
  .btn-success.active,
  .btn-info.active,
 
</s> remove   line-height: 16px;
 </s> add   line-height: 17px; </s> remove   width: 140px;
 </s> add   width: 160px; </s> remove .navbar .btn-group .btn {
  margin: 0;
 </s> add .navbar .btn-group .btn,
.navbar .input-prepend .btn,
.navbar .input-append .btn {
  margin-top: 0; </s> remove   margin-top: 10px;
 </s> add 
input[type="submit"].btn-block,
input[type="reset"].btn-block,
input[type="button"].btn-block {
  width: 100%;
}

  .btn-block + .btn-block {
    margin-top: 5px;
  }
  
input[type="submit"].btn-block,
input[type="reset"].btn-block,
input[type="button"].btn-block {
  width: 100%;
}

  .btn-primary.active,
  .btn-warning.active,
  .btn-danger.active,
  .btn-success.active,
  .btn-info.active,
keep keep keep add keep keep keep keep keep
 [docs] Update Bootstrap to 2.1.1 
docs/static/css/bootstrap.css