Fix pastes being centered without JS

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

@@ -14,9 +14,11 @@ object Css {
     private const val borderpixels = 3
     private const val bodyPadding = 20
     private const val inputPadding = 8
+
     // Text areas apparently grow beyond their parent element if padding and/or borders are added.
     // They always grow to the right, so we simply add more padding to shift everything back (see usage of this).
     private const val bodyShift = bodyPadding + 2 * borderpixels + 2 * inputPadding
+    const val fonts = """Hack, "Jetbrains Mono", "Fira Code", "Noto Mono", monospace"""
 
     private fun StyledElement.defaultBorder() = border(borderpixels.px, BorderStyle.solid, accent1)
 
@@ -28,9 +30,8 @@ object Css {
             transition(duration = 400.ms)
         }
         body {
-            fontFamily = "Hack, Fira Code, Noto Mono, monospace"
+            fontFamily = fonts
             fontSize = 13.pt
-            textAlign = TextAlign.center
             margin = "auto"
             backgroundColor = bgcolor
             color = fontcolor
@@ -44,9 +45,10 @@ object Css {
         form {
             width = 100.pct
             marginTop = 0.px
+            textAlign = TextAlign.center
         }
         textarea {
-            fontFamily = "Hack, Fira Code, Noto Mono, monospace"
+            fontFamily = fonts
             backgroundColor = bgcolor
             color = Color.white
             fontSize = 13.pt
@@ -61,7 +63,7 @@ object Css {
             width = 95.pct
             height = 100.pct
             textAlign = TextAlign.left
-            fontFamily = "Hack, Fira Code, Noto Mono, monospace"
+            fontFamily = fonts
             fontSize = 13.pt
             display = Display.inline
             position = Position.relative