justifed generated output

generator/css/cards.css

 }
 
 .card-section + .card-element {
-    margin-top: 0.3em;
+    margin-top: 0.0em;
 }
 
 .card-p {
 .card-fill {flex:1;}
 
 .card-description-line {
-    margin-top: 0.5em;
+    margin-top: 0.0em;
     margin-bottom: 0.0em;
     font-size: inherit;
     color: black;
 .card-ruler {
     width: 100%;
     height: 1.0mm;
-    margin-top: 0.3em;
-    margin-bottom: 0.3em;
+    margin-top: 0.2em;
+    margin-bottom: 0.2em;
 }
 
 .card-box {

generator/css/output.css

 .page-background {
-  background: rgb(204,204,204); 
+  background: rgb(204,204,204);
 }
 
 body {
   margin: 0;
   padding: 0;
+  line-height: 1.4;
 }
 
 .page-preview {