Re: Strange change in behavior of web page

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Op woensdag 9 oktober 2024 16:31:16 CEST schreef Frank Gingras:
> On Wed, Oct 9, 2024 at 10:15 AM Freek de Kruijf <f.de.kruijf@xxxxxxxxx>
> 
> wrote:
> > I made a web page years ago in which I present buttons to view a video or
> > to
> > download that video file. In some text explaining something about the size
> > of
> > the video, I gave text parts a color (white) and a background color using:
> > 
> > <font color="#ffffff"><span style="background:
> > #990099">800x450</span></font>
> > 
> > When I now go to this web page using Firefox the background color is not
> > shown.
> > 
> > For the buttons I have:
> >         <style type="text/css">
> >         
> >                 @page { margin: 2cm }
> >                 p { margin-bottom: 0.25cm; line-height: 120% }
> >                 td p { margin-bottom: 0.25cm; line-height: 120% }
> > 
> > .button {
> > 
> >   border: none;
> >   color: white;
> >   padding: 1px 4px; <!--15px 32px;-->
> >   text-align: center;
> >   text-decoration: none;
> >   display: inline-block;
> >   font-size: 16px;
> >   margin: 4px 2px;
> >   cursor: pointer;
> > 
> > }
> > .tekst {
> > 
> >   border: none;
> >   color: white;
> >   padding: 1px 4px; <!--15px 32px;-->
> >   text-align: center;
> >   text-decoration: none;
> >   display: inline-block;
> >   font-size: 16px;
> >   margin: 4px 2px;
> >   background-color: #009900;
> >   line-height:1.4;
> > 
> > }
> > .button1 {background-color: #000099;} /* Green */
> > .button2 {background-color: #006600;} /* Blue */
> > .button3 {background-color: #990099;} /* Purper */
> > 
> >         </style>
> > 
> > In a table I use for a row :
> > 
> > <tr valign="top">
> > 
> >         <td class="tekst"><br/>Bijeenkomst<br/>29 sep. 2024</td>
> >         <td><a href="Bijeenkomst-20240929.mp4"><button class="button
> > 
> > button2">Kijken<br/>middel<br/>929M</button></a></td>
> > 
> >         <td><a href="Bijeenkomst-20240929-1080p.mp4"><button class="button
> > 
> > button1">Kijken<br/>groot<br/>1,5G</button></a></td>
> > 
> >         <td><a href="Bijeenkomst-20240929-450p.mp4"><button class="button
> > 
> > button3">Kijken<br/>klein<br/>278M</button></a></td>
> > 
> >         <td><a href="Bijeenkomst-20240929.mp4" download="Video"><button
> > 
> > class="button button2">Download<br/>middel<br/>929M</button
> > 
> > ></a></td>
> > >
> >         <td><a href="Bijeenkomst-20240929-1080p.mp4"
> > 
> > download="Video"><button
> > class="button button1">Download<br/>groot<br/>1,5G</b
> > utton></a></td>
> > 
> >         <td><a href="Bijeenkomst-20240929-450p.mp4"
> > 
> > download="Video"><button
> > class="button button3">Download<br/>klein<br/>278M</bu
> > tton></a></td>
> > 
> >     </tr>
> > 
> > The text shown of this row on the page is black, should be white and the
> > background of the first element on the row is white and the background of
> > the
> > buttons is light gray.
> > 
> > When pressing the button for viewing the largest video it is shown, but I
> > used
> > to be able to select a position in the video to view from that position.
> > Now
> > the video skips to the end and selecting a position is impossible.
> > 
> > Choosing the other two buttons to view those videos gives an error,
> > something
> > like "No video with supported layout and MIME type found". The buttons for
> > downloading work as expected.
> > 
> > When I copy the index.html for this web page and the files mentioned in
> > that
> > file in a folder (everything is in one folder) and use file://
> > <path_of_folder>index.html in Firefox all colors look good. I can view all
> > videos and I can select positions in those videos.
> > 
> > The only difference in these two cases is that the files go through apache
> > to
> > Firefox or come directly from the disk.
> > 
> > In both cases I used Page Source in Firefox to download index.html. I
> > compared
> > these files and apart from obvious differences in locations of the
> > referenced
> > files, they are the same.
> > 
> > Any clues?
> > 
> > --
> > 
> > fr.gr.
> > 
> > Freek de Kruijf
> > 
> > 
> > 
> > 
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx
> > For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
> 
> You're likely better off asking a web/css/design centric mailing list or
> forum for your question, as this list pertains to configuring and
> troubleshooting the apache HTTP server.

As I wrote there does not seem to be anything wrong with the content/css/html 
in the file index.html. I made another case. The folder with the files was 
entered in another apache server, so I could use http://localhost/test/
index.html to access that web page. Also in that case it works OK. The only 
difference with the case where it goes wrong is when I use https:// on another 
server to access that web page. So I believe it has something to do with how 
apache treats http different from https or it might be different treatment in 
Firefox.

-- 

fr.gr.

Freek de Kruijf




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