make the opening video smaller without decreasing resolution

Author: chrisorban

docs/index.html

@@ -147,7 +147,7 @@
 
 <div class="sc-hero">
 <video controls="" autoplay="" loop="" muted="" playsinline="" class="sc-hero-video">
-<source src="vid/welcome_to_stemcoding2.mp4" type="video/mp4">
+<source src="vid/welcome_to_stemcoding3.mp4" type="video/mp4">
 </video>
 <div class="sc-hero-inner">
 <p class="sc-hero-lead">

docs/vid/welcome_to_stemcoding3.mp4

@@ -11,7 +11,7 @@ title-block-banner: false
 
 <div class="sc-hero">
 <video controls autoplay loop muted playsinline class="sc-hero-video">
-<source src="vid/welcome_to_stemcoding2.mp4" type="video/mp4">
+<source src="vid/welcome_to_stemcoding3.mp4" type="video/mp4">
 </video>
 <div class="sc-hero-inner">
 <p class="sc-hero-lead">Activities, curriculum, and a thriving community — built by <a href="http://osu.edu">Ohio State</a> and <a href="http://mountunion.edu">Mount Union</a> faculty &amp; students to bring <strong>computer science</strong> and <strong>data science</strong> into intro math and science courses.</p>