Questions tagged as 'html5'

Tagged questions
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Is there any way for CSS to override style in HTML? [duplicate]

I have an archiver containing about 82k HTML files, where there is a need to apply a CSS with structuring and visual standardization. However, I noticed that many of these files are styled via html using the style parameter. Is there a...
asked by 27.04.2018 / 23:38
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Contact form

Good evening. Galera, next. I'm just starting out in HTML5 so I still do not handle it very much. I've done all the visual part (CSS) of a contact form (like course work), however I'm not very good with the html itself, so my question i...
asked by 16.12.2017 / 02:15
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How to run .mkv files in all browsers?

I'm trying to run a video in .mkv in Firefox, but the same error because of file extension. Is there any way to make the video work? <video> <source src="video.mkv" type="video/mp4"> </video> Using the above...
asked by 09.10.2017 / 21:56
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How do I know if the code is written in HTML5 defaults? [closed]

How could I apply, besides applying the knowledge I learned and the information from the available documentation, a check to see if old code written in a previous html version was updated correctly or is still using obsolete elements and / or at...
asked by 20.03.2016 / 22:38
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Center label in the center of the screen

Hello, can anyone help me with how I can centralize these labels? PS: O text-align: center; does not work! <label class="emp">IMM</label> <label class="service">Home Gateway</label> You can view and test the code...
asked by 27.06.2018 / 20:13
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Font reponsive with css [closed]

Good afternoon, I'm doing an html page and have some blocks that are responsive. Now I need the text displayed inside them to be too. How can I do this?     
asked by 09.12.2016 / 17:37
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Do not allow change in source code

Does anyone know how to not allow change in "values" by inspecting element? ah a few days ago I entered a website and I tried to change the value of an input, but when I clicked ENTER to save, the input value automatically returned to the same c...
asked by 26.02.2018 / 07:04
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How to insert an image via CSS? [closed]

Follow my HTML code: <!DOCTYPE html> <html lang="pt-br"> <head> <meta charset="UTF-8"/> <title>web page</title> <link rel="stylesheet" type='text/css' href="css/estilo.css"/> </head>...
asked by 05.01.2019 / 20:18
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How to align menu using CSS (Only) [closed]

Hello, I'm developing a website and after creating a dropdown menu, I had a small problem. It is not spaced, and the sub menu that appears is horizontal. I'm not interested in putting border and etc., however, I need help arranging the menu so i...
asked by 17.12.2018 / 16:35
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I need a menu whose sub-menu appears above the [closed]

Cause of lack of information: In the code example below, when you mouse over the menu, the sub-menu appears below the menu, I do not know how to do it to appear above the menu, who knows and wants to help, I Thank you. <!DOCTYPE html> &l...
asked by 07.05.2018 / 20:58