Ref numpy#82 fixes image sizes and caption positioning (center)

Author: shaloo

content/en/case-studies/gw-discov.md

@@ -3,7 +3,7 @@ title: "Case Study: Discovery of Gravitational Waves"
 sidebar: false
 ---
 
-{{< figure src="/images/content_images/cs/gw_sxs_image.png" caption="**Gravitational Waves**" alt="binary coalesce black hole generating gravitational waves" attr="(**Image Credits: The Simulating eXtreme Spacetimes (SXS) Project at LIGO** )" attrlink="https://youtu.be/Zt8Z_uzG71o" >}}
+{{< figure src="/images/content_images/cs/gw_sxs_image.png" class="fig-center" caption="**Gravitational Waves**" alt="binary coalesce black hole generating gravitational waves" attr="(**Image Credits: The Simulating eXtreme Spacetimes (SXS) Project at LIGO** )" attrlink="https://youtu.be/Zt8Z_uzG71o" >}}
 
 <blockquote cite="https://www.youtube.com/watch?v=BIvezCVcsYs">
     <p>The scientific Python ecosystem is critical infrastructure for the research done at LIGO.</p>

static/css/styles.css

@@ -259,6 +259,7 @@ figcaption {
 }
 
 .fig-center {
+  text-align: center;
   display: block;
   margin-left: auto;
   margin-right: auto;