fix caption and external link icon

static/css/theme.css

@@ -558,9 +558,9 @@ video {
     flex-direction: column;
     justify-content: center;
 }
-
-.media-container .caption {
-    width: fit-content;
+.caption {
+    width: 100%;
+    text-align: center;
 }
 
 .gallery>* {
@@ -675,8 +675,8 @@ background-color: rgba(0, 0, 0, 0.25);
     to{background-color: transparent;backdrop-filter: blur(0px);}
 }
 
-article a[href^="https"]:where(:not([href*="{{.Site.BaseURL}}"])) {text-decoration: none !important;}
-article a[href^="https"]:where(:not([href*="{{.Site.BaseURL}}"]))::after {content:"↗️";font-size:18px;margin:5px;text-decoration: none !important;}
+article a[href^="https"]:where(:not([href*="{{.Site.BaseURL}}"])) {content: none !important;}
+article a[href^="https"]:where(:not([href*="{{.Site.BaseURL}}"]))::after {content:"↗️";font-size:18px;margin:5px;content: none !important;}
 .media-container a::after, .liberapay-container a::after, .tags a::after, .listing a::after, #tags a::after, .image-container a[href^="https"]:where(:not([href*="{{.Site.BaseURL}}"]))::after{
     content: "" !important;margin:0 !important;font-size:0;
 }