Add option to disable gradients, use lighter version of internet freedom

talk. Some other minor changes.

content/events/17-18/internet-freedom.md

@@ -1,14 +1,15 @@
 ---
 title: 'The Web We Take for Granted'
-description: Two experts come to talk about our internet freedom and how it is in immediate danger.
+description: Two experts discuss how our online freedom is in immediate danger.
 created_at: 19-10-2017
 time: '23-11-2017 19:30'
-end: '22-11-2017 21:00'
+end: '23-11-2017 21:00'
 location: 'Auditorium D, Jozef Plateaustraat 22, 9000 Gent'
 locationlink: 'Faculteit Ingenieurswetenschappen en Architectuur'
 facebook: 'https://www.facebook.com/events/313118845828839/'
-color: '#282825'
-image: 'https://zeus.ugent.be/zeuswpi/K4DI_hEf.png'
+color: '#aea485'
+gradient: false
+image: 'https://zeus.ugent.be/zeuswpi/YkUgUTuQ.png'
 # image:  'https://zeus.ugent.be/zeuswpi/jXnkucIH.png' #(inverted)
 # banner:  'https://zeus.ugent.be/zeuswpi/JLMprrIc.png'
 ---

layouts/eventpost.erb

@@ -17,7 +17,12 @@
 <% if item[:banner] %>
 <section class="hero is-medium is-primary is-bold" style="background-image:url('<%= item[:banner] %>');background-position:center;">
 <% elsif item[:color] %>
-<section class="hero is-medium is-primary is-bold" style="background-image: linear-gradient(to top right,rgba(255,255,255,0),rgba(0,0,0,.60)); background-color:<%= item[:color] %>;">
+  <% gradient = if item[:gradient].nil? || item[:gradient]
+                  'linear-gradient(to top right,rgba(255,255,255,0),rgba(0,0,0,.60))'
+                else
+                  'none'
+                end %>
+                <section class="hero is-medium is-primary is-bold" style="background-image: <%= gradient %>; background-color:<%= item[:color] %>;">
 <% else %>
 <section class="hero is-medium is-primary is-bold">
 <% end %>