Note: This technique was originally detailed in Thierry Koblenz’s excellent tutorial ‘ Creating Intrinsic Ratios for Video’. Content Security Policy, Your Future Best Friend.
Iframe style how to#
How To Create An Embeddable Content Plugin For WordPress. Ways To Reduce Content Shifting On Page Load. For those occasions when non-coders will be embedding video on your website and you don’t want to rely on them adding extra markup, we’ll also look at a solution that uses JavaScript instead of CSS. In this article, we’ll show you how to make embedded content responsive using CSS, so that content such as video and calendars resize with the browser’s viewport. One of these is the good ol’ iframe, which you may need to use when embedding content from external sources such as YouTube. In this article, we’ll show you how to make embedded content responsive using CSS.Ī few HTML elements don’t play nice with responsive layouts. I'm a frequent speaker at tech conferences and events.A few HTML elements don’t play nice with responsive layouts. My role as the CEO of Wikitechy, I help businesses build their next generation digital platforms and help with their product innovation and growth strategy. Wikitechy Founder, Author, International Speaker, and Job Consultant. The srcdoc, sandbox, and seamless attributes are not supported by any browsers at this time. If you don’t want scrollbars on your iframes, you should continue to use the scrolling attribute. Using overflow to turn off scrolling is not reliable. The IFRAME element is supported by all modern browsers:. Scrolling - instead, use the CSS overflow property. Margin width - instead, use the CSS margin property. Margin height - instead, use the CSS margin property. Frame border - instead use the border CSS property. Allow transparency - instead, use the CSS background property to make the iframe transparent. Align - instead, use the CSS float property. Long desc - instead, use an A element to link to a description. seamless-tells the user agent that the iframe should be rendered like it is invisibly part of the parent document. sandbox-a list of features that should be allowed or disallowed in the frame window. This attribute takes precedence over any URL in the src attribute srcdoc-the HTML for the source of the frame. src-the URL for the source of the frame. Here’s how you would turn on scrolling all the time with the overflow property: But in these examples it doesn’t work reliably in all browsers yet. To turn off scrolling in HTML5 you are supposed to use the overflow property. Here is how to turn off scrolling with the scrolling attribute Auto is the default and includes the scroll bars when they are needed and removes them when they are not. 
No says to remove all scroll bars whether needed or not.Yes tells the browser to always include scroll bars even if they aren’t needed.To use the scrolling attribute, add it like any other attribute and then choose one of three values: yes, no, or auto.So if you want to remove or change the scroll bars, you should use the scrolling attribute on your iframe as well.
HTML5 recommends that you use the overflow property to remove the scroll bars, but that isn’t reliable.These styles mostly just remove the border around the iframe, but they also ensure that all browsers display that iframe with the same margins, padding, and dimensions.Here are examples of a frame with no styles and one with just the basics styled.While most browsers include iframes without a lot of extra styles, it’s still a good idea to add some styles to keep them consistent.The first thing you should consider when styling your iframes is the IFRAME itself.You can style the page inside the IFRAME (under certain conditions).When you embed an IFRAME element in your HTML, you have two opportunities to add CSS styles to it:.
If you control the page in the iframe, the easiest approach is to create a shared CSS file with common styles, then just link to it from your html pages. If you want to apply the same stylesheet to the content of the iframe, just reference it from the pages used in there. Applying CSS to iframe How to apply CSS to iframe
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