Questions tagged as 'html'

Tagged questions
2
answers

HTML Display larger image when clicking

I'm creating a Drag and Drop system to assemble a part. My question is this: By clicking on this button, I need the image of the button icon to appear enlarged in the yellow area. Any idea how to do it? (Remembering I'm not experienced in...
asked by 30.08.2017 / 20:08
1
answer

How to create 90 ° "edges" in div

Is it possible to create 90 ° borders at the tip of% s by CSS? Here is an example:     
asked by 24.08.2017 / 16:35
3
answers

Q: choose two select and display result

So, guys, I'm new to the site and I'm in desperate need of help. I'm creating a site where the person selects home city and destination city So, okay, I want it when the person selects these two options and clicks on the value of the ticket, sho...
asked by 01.03.2017 / 00:57
2
answers

Alignment Gif Loading

Hello, I have the following code: link I'm trying to align it so that it stays centered on the screen regardless of screen size or orientation (whether a cell phone vertically or horizontally), but without success. Any suggestions?...
asked by 21.02.2017 / 19:05
3
answers

How to make a regressive timer with html5 + css + javascript, which at the end of the selected time tap (or execute) a * .mp3

I started testing with this HTML: <!DOCTYPE html> <html> <head> <link rel="stylesheet" type="text/css" href="style.css" /> </head> <body onload="principal();"> <audio id="audio"> &l...
asked by 22.02.2017 / 00:10
1
answer

identify when the form is sent by the submit button

Well I've put an example of a very simple form in php. I have to identify when it is sent by the button and when it is sent when the user returns the page. The problem is, if you submit the form 2 times and then click the back button it says...
asked by 23.03.2017 / 11:55
2
answers

Why do browsers render the same page in different ways?

I'd like to know why browsers read the same page (HTML, CSS, and scripts) and the result displayed is different in some cases.     
asked by 24.03.2017 / 20:45
2
answers

Position: fixed, use or not use? Substitutes

I recently attended a lecture by Sérgio Lopes , in which he says that NO you should use position fixed in mobile. According to him, this position poses huge problems in the mobile browser, like what happens when zooming in. However, I'm ha...
asked by 24.03.2018 / 20:05
1
answer

non-responsive text html

Both the title <h1> and the paragraph <p> can not make you responsive. Code: #h1{ color:#3396ff; position: absolute; left: 36%; top: 70px; text-align:center; } #p{ position: absolut...
asked by 24.03.2018 / 13:39
1
answer

Avoid unnecessary spaces in textarea with default text

Situation: I have a textarea element that has a default text, which can then be changed by the user. Text has multiple lines. Problem: The text takes into account the indentation spaces of the source code. Pseudo-code: <...
asked by 31.05.2017 / 20:34