html5

Does not hide elements in bootstrap 4, when connecting bootstrap 3 everything works well <link href="https://cdnjs.c ... n on a MEDIUM screen.</div> <div class="hidden-lg bg-success">This is text hidden on a LARGE screen.</div>

When calculating in JS, I get the answer for example 12.5, if I specify that it shows only the whole part, it gives 12, and it should be 13.

WordPress site, check in PageSpeed Insights and validator.w3.org. Can someone tell me about the first and second. How to rais ... it checks... 1 error Is in the code tag opening and closing, as it is checked manually, entered in the code source search

In this example, the child blocks .row-green do not take into account the vertical collapse of the margins, because they are ... t;/div> <div class="row-red"> <div class="col"> Отступы схлопываются. </div> </div>

Here is my picture with social icons. I need to add them using bootstrap / css. How can I design icon separation using bo ... footer 2--> Picture here Question translation: How to add the footer with social icons in bootstrap? @Prajwal K M

Hello! How can I make a button like this layout? http://uploads.ru/XfCgH.png <div class="video-play"> <vide ... ow to bring all this into the desired form, and so that it is played when you click the play icon, hiding the control panel.

Got the latitude and longitude (navigator.geolocation.getCurrentPosition). Can I get the name of the city? if(navigator.geol ... ) then I insert this data into a request to the yandex api 3) got the city (just how to get it out?) By IP is not an option.

I'm doing the style animation function, I ran into the problem of translating units of measurement. Suppose I need to animate ... the width of the parent. But if the parent also has padding specified (and also in%), how do I find out the content width ?

Closed. It is impossible to give an objective answer to this question . Answers to it are not accepted at the moment. ... e time in vain, studying the technology that has no real future market success. Please, when answering, justify your opinion.

There is a generated svg sprite - sprite. svg c symbol: <svg width="0" height="0" style="position:absolute;"> ... #user"></use> </svg> Why is the icon not displayed and how do I include an icon from a sprite in css styles?

How to make such transparent triangles on the left and right? Here is the solution I made: DEMO .t-title{ font-fa ... <polygon points="0,0 420,0 405,21 420,42 0,42 15,21" style="fill:#f7b707;" /> </svg> </div>

The site has a large list of categories. It is necessary that when viewing from mobile devices, all categories are hidden und ... ass("folded").next().slideToggle() }) } }); </script> This code works in principle, but on any screen width,

There is a block stretched across the entire width of the screen, with an artistic image as the background. When scaling the ... learn from professionals how it is customary (and correct) to do this, perhaps there are other ways that are more acceptable.

There is an element div, in the CSS file it has the property width: 90%. How do I get the width of this element in pixels in JS?

I don't fully understand what a BLOB is in html... what can I do with it and why do I need it? examples, if possible

Good time of day. I have such a task related to positioning. I need to do a task like in yandex.ru after entering a question ... osition:fixsed, and so that div remains at the top of the page with an indent 10px and does not scroll. Thank you in advance.

Images from the mysql database are not displayed(the address of the photo is fully registered there) <?php global $c ... ;/div> </li>'; } while ($row = mysqli_fetch_array($result)); } ?>

Closed. It is impossible to give an objective answer to this question . Answers to it are not accepted at the moment. ... Расстояние от нижнего края окна браузера */ position: absolute; /* Абсолютное позиционирование */ left: 1365px; }

Hi, I'm playing a game in html5. There is such a scene Initially, it was collected in the tile editor, but now I realized t ... lement the rendering of this map, how to bring it all to life, what queries to Google ? Thank you in advance for any help !)

I'm writing a game in js (platformer). The player is represented as a square, the tiles of the map are also squares. On each ... that this is a trivial task in game development, there is probably some classic algorithm for it decisions. What is he like?