Split and re-ordered SCSS files for easier overrides of defaults (#4)

* Split SCSS for easier changes
* Re-ordered SCSS files for easier overrides of defaults
* Fixed padding classes with auto value
* Added theme """stub"""

scss/defaults/defaults-code.scss

@@ -0,0 +1,42 @@
+// NibblePoker CSS Theme - CC0 1.0 (Public Domain)
+
+
+/* Defaults > Code */
+
+code, .code, kbd, .t-monospace {
+	font-family: Consolas, "Courier New", monospace;
+}
+
+// For large blocks
+//code { }
+
+// For inline spans
+// We're applying the equivalent of `.r-s.px-xs.px-s`
+// Kinda goes against the core ideas, but it would be annoying without it.
+.code, kbd {
+	background-color: #{$color-background-code};
+	
+	border: 1px solid;
+	
+	// Using '.r-s'
+	border-radius: calc(#{$border-base-radius} * 0.75);
+	
+	// Using the middle of '.px-xs' and '.px-s'
+	padding-left: calc(#{$border-base-radius} * 0.625);
+	padding-right: calc(#{$border-base-radius} * 0.625);
+}
+
+// Removes the background added by highlight.js
+.code-line {
+	background: rgba(0,0,0,0) !important;
+}
+
+// FIXME: Makes the inline block ugly !!!
+code, .code, .code-line {
+	line-height: 1.35;
+}
+
+// FIXME: Use a proper class !!!
+.code:not(code) {
+	padding: calc(#{$border-base-radius} * 0.625);
+}