Added responsive Youtube embeds

css/main.css

@@ -84,6 +84,21 @@ img {
   max-width: 100%;
 }
 
+.video-wrapper {
+  position: relative;
+  padding-bottom: 56.25%; /* 16:9 */
+  padding-top: 25px;
+  height: 0;
+  overflow: hidden;
+}
+.video-wrapper iframe {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
 .disqus-comments {
   margin-top: 30px;
 }
@@ -172,14 +187,14 @@ img {
     width: 100px;
     margin-top: -50px;
   }
-  
+
   .navbar-custom .avatar-container  .avatar-img-border {
     width: 100%;
     box-shadow: 1px 1px 2px rgba(0, 0, 0, .8);
     -webkit-box-shadow: 1px 1px 2px rgba(0, 0, 0, .8);
     -moz-box-shadow: 1px 1px 2px rgba(0, 0, 0, .8);
   }
-  
+
   .navbar-custom .avatar-container  .avatar-img {
     width: 100%;
   }
@@ -217,7 +232,7 @@ img {
 @media only screen and (min-width: 768px) {
   .navbar-custom .nav .navlinks-container {
     text-align: center;
-  }  
+  }
   .navbar-custom .nav .navlinks-container:hover {
     background: #eee;
   }
@@ -273,7 +288,7 @@ footer .theme-by {
     font-size: 16px;
   }
 }
- 
+
 /* --- Post preview --- */
 
 .post-preview {
@@ -418,11 +433,11 @@ footer .theme-by {
   }
   .intro-header.big-img {
     margin-top: 91px;  /* Full navbar is small navbar + 20px padding on each side when expanded */
-  }	
+  }
   .intro-header.big-img .page-heading,
   .intro-header.big-img .post-heading  {
     padding: 150px 0;
-  }  
+  }
   .intro-header .page-heading h1 {
     font-size: 80px;
   }
@@ -459,9 +474,9 @@ footer .theme-by {
   }
   .header-section.has-img .big-img {
     margin-bottom: 0;
-  }  
-} 
-@media only screen and (max-width: 325px) { 
+  }
+}
+@media only screen and (max-width: 325px) {
   .intro-header.big-img {
     height: 200px;
   }