Add back button on paste page

src/main/kotlin/moe/kageru/kodeshare/Routes.kt

@@ -36,6 +36,9 @@ object Routes {
         post("/") {
             call.handlePost()
         }
+        get("/favicon.ico") {
+            call.respond(HttpStatusCode.NotFound)
+        }
         get<PasteRequest> { req ->
             call.handleGet(req)
         }

src/main/kotlin/moe/kageru/kodeshare/pages/Css.kt

@@ -1,6 +1,8 @@
 package moe.kageru.kodeshare.pages
 
 import kotlinx.css.*
+import kotlinx.css.properties.TextDecoration
+import kotlinx.css.properties.border
 import kotlinx.css.properties.ms
 import kotlinx.css.properties.transition
 
@@ -33,11 +35,13 @@ object Css {
         }
         // this doesn’t inherit the style from anything else for some reason
         rule(".hljs, pre, code") {
-            width = 100.pct
+            width = 95.pct
             height = 100.pct
             textAlign = TextAlign.left
             fontFamily = "Hack, Fira Code, Noto Mono, monospace"
             fontSize = 13.pt
+            display = Display.inline
+            position = Position.relative
         }
         rule("input[type=\"submit\"]") {
             backgroundColor = accent1
@@ -51,6 +55,16 @@ object Css {
             cursor = Cursor.pointer
             transition(duration = 500.ms)
         }
+        rule("div.back") {
+            position = Position.absolute
+            padding = "5px"
+            border(2.px, BorderStyle.solid, accent1)
+            borderRadius = 3.px
+            color = accent1
+            top = 1.em
+            right = 1.em
+            zIndex = 1
+        }
         rule("input[type=\"submit\"]:hover") {
             backgroundColor = Color.transparent
             borderColor = accent2
@@ -62,5 +76,15 @@ object Css {
         rule("::selection") {
             color = accent1
         }
+        a {
+            color = accent1
+            textDecoration = TextDecoration.none
+        }
+        rule("a:visited") {
+            color = accent1
+        }
+        rule("a:focus") {
+            color = accent2
+        }
     }.toString()
 }

src/main/kotlin/moe/kageru/kodeshare/pages/PastePage.kt

@@ -22,6 +22,11 @@ object PastePage {
                     +content
                 }
             }
+            div("back") {
+                a("/") {
+                    +"New paste"
+                }
+            }
         }
     }
 }