Increase column gap and drop all horizontal content margins

Change-Id: I8ef4ebb19aee92d320c9538aa2d4874dbac822a8
diff --git a/inst/rmarkdown/templates/posterdown_ids/resources/template.html b/inst/rmarkdown/templates/posterdown_ids/resources/template.html
index 5dbf249..974271a 100644
--- a/inst/rmarkdown/templates/posterdown_ids/resources/template.html
+++ b/inst/rmarkdown/templates/posterdown_ids/resources/template.html
@@ -159,11 +159,9 @@
 -webkit-column-rule-color: $if(columnline_col)$$columnline_col$$else$$if(primary_colour)$$primary_colour$$else$#f18700$endif$$endif$;
 -moz-column-rule-color: $if(columnline_col)$$columnline_col$$else$$if(primary_colour)$$primary_colour$$else$#f18700$endif$$endif$;
 column-rule-color: $if(columnline_col)$$columnline_col$$else$$if(primary_colour)$$primary_colour$$else$#f18700$endif$$endif$;
-column-gap: 1em;
+column-gap: 2em;
 margin-left: 17.5%;
 /*width=82.4%*/
-margin-right: 0.5cm;
-padding-right: 0.25em;
 height: 100%;
 height: -moz-available;          /* WebKit-based browsers will ignore this. */
 height: -webkit-fill-available;  /* Mozilla-based browsers will ignore this. */
@@ -362,19 +360,13 @@
 margin-bottom: 10px;
 }
 .poster_body p {
-margin-right: 4mm;
-margin-left: 4mm;
 margin-top: 6mm;
 margin-bottom: 10mm;
 color: $if(body_textcol)$$body_textcol$$else$#000000$endif$
 }
 .poster_body ol {
-margin-right: 4mm;
-margin-left: 4mm;
 }
 #ul {
-margin-right: 4mm;
-margin-left: 4mm;
 }
 .references p {
 font-size: 20pt;