2020年6月2日 · So how can you change the color of the H2 element to red? Option #1: Inline CSS. One way would be to use inline CSS to style the element directly. Like with the other methods, formatting is important. Take a look again at the code above: < h2 class = "red-text" color = red; > CatPhotoApp </ h2 >

2020年8月21日 · h2 .red-text { color: red; } When there's a space, the selector h2 .red-text is telling the browser to target the element with the class red-text that's child of h2. However, the H2 element doesn't have a child – you're trying to style the H2 element itself.

2018年6月19日 · The challenge tells you how to change the h2 element’s color to blue: <h2 style="color: blue;">CatPhotoApp</h2> Adding a style attribute like this style="color: blue;" is how you change the color of an element.

2019年7月25日 · The h2 tag must be cloded properly and the name of the class must be between quotation marks. <h2 class="your-class-name"></h2>

2024年11月5日 · Regardless the styling approach, properly targeting the h2 elements is key to applying color changes. You have a few core targeting options: Element Type Selector. To style all h2s by default: h2 { color: rebeccapurple; } Class Selector. For selective control, use classes: <h2 class="special">Special Heading</h2> <h2>Default Heading</h2>

2024年9月30日 · .red-title { color: red; } .blue-title { color: blue; } 这样就会将 h1 标签的标题颜色设置为红色， h2 标签的标题颜色设置为蓝色。 3.

2015年8月18日 · I have a h2 heading that says "WHO WE ARE". I need the word "WHO" to stay white and "WE ARE" to be red. I can't figure out how to do this. Please help. You normally have to (HTML)tag the part of the text you want to change the color of. And then use CSS to change the color. For example:

2021年4月30日 · Inside your style element, change the h2 selector to .red-text and update the color’s value from blue to red. Give your h2 element the class attribute with a value of red-text. You forgot to change the .h2 in the style as requested: { .red-text{ color: red; text:red; }

2021年7月27日 · Green hydrogen is the only variety produced in a climate-neutral manner. It could play a vital role in global efforts to reach net-zero emissions by 2050. Green hydrogen has been hailed as a clean energy source for the future. But the gas itself is invisible – so why are so many colourful descriptions used when referring to it?

2021年12月28日 · Purple, Pink, and Red – These hydrogen colors refer to H2 produced using nuclear power plants. The purple form uses nuclear power and heat to split water via combined chemo thermal electrolysis. Pink uses the electricity produced by a …