Fix slides CSS

www/slide/slide.less

@@ -279,7 +279,7 @@ div#modal #content, #print {
         * {
             .size(2.75);
             * {
-                font-size: 100%;
+                font-size: 1em;
                 line-height: 1em;
             }
         }
@@ -396,23 +396,26 @@ div#modal #content, #print {
 }
 
 p {
-  display: flex;
-  flex-flow: row wrap;
-  padding: 0;
-  margin: 0;
-  min-height:0;
-  flex: 1;
+    //display: flex;
+    //flex-flow: row wrap;
+    padding: 0;
+    margin: 0;
+    min-height:0;
+    min-width:0;
+    //flex: 1;
 }
 
 media-tag {
-  min-height: 0;
-  flex: 1;
-  display: block;
-  text-align: center;
+    min-height: 0;
+    flex: 1;
+    display: flex;
+    flex-flow: column;
+    text-align: center;
 }
 
 media-tag img {
-  max-height: 100% !important;
+    flex: 1;
+    max-height: 100% !important;
 }
 
 media-tag iframe {