Make Issue/PR/projects more compact, misc CSS tweaks (#24459)

- Remove various horizontal dividers on repo pages that didn't provide
visual benefit
- Remove label/milestone pills on single issue/pr page
- Remove issue-related pill buttons on projects page
- Increase contrast of color-secondary on arc-green
- Improve notifications icon, make circle bigger
- Remove some inline styles
- Fix focus in issue/pr title edit and select all text on button click

### Issue and PR before and after

<img width="1249" alt="Screenshot 2023-05-01 at 11 44 22"
src="https://user-images.githubusercontent.com/115237/235436662-a708288e-84fb-4b2e-a5a2-3a1c17d28f6c.png">
<img width="1248" alt="Screenshot 2023-05-01 at 11 58 51"
src="https://user-images.githubusercontent.com/115237/235437992-f863e483-f3cc-4cc1-8204-fd223647a0c9.png">



### Projects before and after

<img width="1255" alt="Screenshot 2023-05-01 at 11 41 02"
src="https://user-images.githubusercontent.com/115237/235436433-0deb85d6-4e7d-4e74-847f-254cc70a0cf9.png">
<img width="1267" alt="Screenshot 2023-05-01 at 11 40 03"
src="https://user-images.githubusercontent.com/115237/235436431-715b13cb-f78c-4d86-b27a-9229f9738c5b.png">


### Releases before and after

<img width="1243" alt="Screenshot 2023-05-01 at 11 41 12"
src="https://user-images.githubusercontent.com/115237/235436457-b655ee6f-03b8-4595-8d8c-b15ea469e988.png">
<img width="1240" alt="Screenshot 2023-05-01 at 11 40 10"
src="https://user-images.githubusercontent.com/115237/235436456-05a2a0dd-7cbb-4f26-b0d3-4f667df4bb95.png">

### Misc

<img width="58" alt="Screenshot 2023-05-01 at 10 49 13"
src="https://user-images.githubusercontent.com/115237/235432494-936ce995-6e22-47bc-ab2d-c9e93d31987d.png">
<img width="57" alt="Screenshot 2023-05-01 at 18 57 08"
src="https://user-images.githubusercontent.com/115237/235492430-1d32cfe0-0f2c-467c-b2fa-925b27e30e0e.png">


Issue title edit and wrap:

<img width="1238" alt="Screenshot 2023-05-01 at 12 34 40"
src="https://user-images.githubusercontent.com/115237/235441407-d5067a57-e586-4865-a652-282e5944abb4.png">
<img width="1232" alt="Screenshot 2023-05-01 at 12 06 24"
src="https://user-images.githubusercontent.com/115237/235438710-1a543dda-220f-4d87-8f93-f1710c0695f0.png">

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

1 files changed, 46 insertions, 48 deletions

diff --git a/web_src/css/repository.css b/web_src/css/repository.css
index d724dc400a..6709b127db 100644
--- a/web_src/css/repository.css
+++ b/web_src/css/repository.css
@@ -591,85 +591,81 @@
   display: inline-block;
 }
 
-.repository.view.issue .title {
-  padding-bottom: 0 !important;
-}
-
-.repository.view.issue .title .issue-title {
-  margin-bottom: 0.5rem;
+.issue-title-header {
+  width: 100%;
+  padding-bottom: 4px;
+  margin-bottom: 1rem;
 }
 
-.repository.view.issue .title .issue-title.edit-active {
+.issue-title-meta {
   display: flex;
   align-items: center;
 }
 
-.repository.view.issue .title .issue-title.edit-active h1 {
+.repository.view.issue .issue-title-buttons,
+.repository.view.issue .edit-buttons {
   display: flex;
-  width: 100%;
 }
 
 @media (max-width: 767px) {
-  .repository.view.issue .title .issue-title.edit-active {
+  .repository.view.issue .issue-title {
     flex-direction: column;
   }
-  .repository.view.issue .title .issue-title.edit-active h1 {
-    margin-right: 0;
-    margin-bottom: 1rem;
-    padding-right: 0;
-  }
-  .repository.view.issue .title .issue-title.edit-active h1 .ui.input input {
-    width: calc(100% - 2rem);
-  }
-  .repository.view.issue .title .issue-title.edit-active .edit-buttons {
-    padding-bottom: 1rem;
-    width: 100%;
-  }
-  .repository.view.issue .title .issue-title.edit-active .edit-buttons .button {
-    width: 100%;
-    margin-right: 0.5rem;
-  }
-  .repository.view.issue .title .issue-title.edit-active .edit-buttons .button:last-child {
-    margin-right: 0;
+  .repository.view.issue .edit-buttons {
+    margin-top: .5rem;
   }
 }
 
-.repository.view.issue .title .issue-title h1 {
+.repository.view.issue .issue-title {
+  display: flex;
+  align-items: center;
+  margin-bottom: 8px;
+}
+
+.repository.view.issue .issue-title h1 {
+  display: flex;
+  align-items: center;
+  flex: 1;
+  width: 100%;
   font-weight: 300;
-  font-size: 2.3rem;
+  font-size: 32px;
+  line-height: 40px;
   margin: 0;
-  padding-right: 0.5rem;
+  padding-right: 0.25rem;
+  min-height: 41px; /* avoid layout shift on edit */
 }
 
-.repository.view.issue .title .issue-title h1 .ui.input {
+.repository.view.issue .issue-title h1 .ui.input {
   font-size: 0.5em;
-  width: 100%;
 }
 
-.repository.view.issue .title .issue-title h1 .ui.input input {
+.repository.view.issue .issue-title h1 .ui.input input {
   font-size: 1.5em;
-  padding: 6px 1rem;
+  padding: 2px .5rem;
 }
 
-.repository.view.issue .title .issue-title .edit-button {
-  float: right;
-  padding-left: 1rem;
+.repository.view.issue .issue-title .index {
+  color: var(--color-text-light-2);
 }
 
-.repository.view.issue .title .issue-title .edit-buttons {
-  display: flex;
+.repository.view.issue .issue-title .label {
+  margin-right: 10px;
 }
 
-.repository.view.issue .title .issue-title .index {
-  color: var(--color-text-light-2);
+.repository.view.issue .issue-title .edit-zone {
+  margin-top: 10px;
 }
 
-.repository.view.issue .title .issue-title .label {
-  margin-right: 10px;
+.issue-state-label {
+  display: flex !important;
+  align-items: center !important;
+  font-size: 14px !important;
+  padding: 7px 10px !important;
+  border-radius: 6px !important;
 }
 
-.repository.view.issue .title .issue-title .edit-zone {
-  margin-top: 10px;
+.issue-state-label .svg {
+  margin-right: 4px;
 }
 
 .repository.view.issue .pull-desc code {
@@ -1193,13 +1189,15 @@
 
 .repository .milestone.list {
   list-style: none;
-  padding-top: 15px;
 }
 
 .repository .milestone.list > .item {
   padding-top: 10px;
   padding-bottom: 10px;
-  border-bottom: 1px dashed var(--color-secondary);
+}
+
+.repository .milestone.list > .item + .item {
+  border-top: 1px solid var(--color-secondary);
 }
 
 .repository .milestone.list > .item progress {