better image CSS, better chart

css/readtheorg.css

@@ -395,7 +395,6 @@ table tr:nth-child(2n) td{
 .figure p{
     color:#000;
     font:italic 85%/1 arial,sans-serif;
-    padding:1em 0;
 }
 
 .rotate-90{
@@ -1109,3 +1108,7 @@ li, p, dd {
 pre.src:before {
   top: 0;
 }
+
+.figure {
+    padding: 0;
+}

matter/matter-grammar.org

@@ -259,7 +259,7 @@
    bouddhiste et  2% de la  population suit des religions  diverses (Hindouisme,
    Chamanisme,…).
 
-   #+name: religion-piechart
+   #+name: fig:religion-piechart
    #+BEGIN_SRC R :exports results :results graphics :file religious-pop.png :bg transparent
      slices <- c(68, 15, 9, 6, 2)
      lbls <- c("Paganisme", "Athéisme", "Monothéismes divers",
@@ -267,11 +267,13 @@
      pct <- round(slices/sum(slices)*100)
      lbls <- paste(lbls, pct)
      lbls <- paste(lbls, "%", sep = "")
+     par(mar=c(0,0,0.7,3))
      pie(slices, labels = lbls, col = rainbow(length(lbls)),
          main = "Religions d’Éïnlante")
    #+END_SRC
-
-   #+RESULTS: religion-piechart
+   #+CAPTION: Population religieuse d’Éïnlante
+   #+LABEL: fig:religion-piechart
+   #+RESULTS: fig:religion-piechart
    [[file:religious-pop.png]]
 
 ** Histoire