WebCSS Change List Item Background Color with Class . The Solution is. This is an issue of selector specificity. (The selector .selected is less specific than ul.nav li.) To fix, use as much specificity in the overriding rule as in the original: ul.nav li { background-color:blue; } ul.nav li.selected { background-color:red; } WebSep 9, 2024 · First, CSS supports color keywords. Most browsers and devices can render these named colors into color values. There are about 140 named colors in CSS (like red, blue, lavender, etc.). For example, if you wanted your text to have red color, you could use the keyword red: div { color: red; }
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WebThe CSS background-color property helps to set an element’s background color. An element’s background is the overall size of the element including the padding and … WebAug 10, 2024 · The CSS background-color property lets you change the background color for the selected element: Example. body { background-color: blue; } Try it Live … derivative of 100
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WebJun 25, 2012 · Here is an example class using CSS named colors: .semi-transparent { background: yellow; opacity: 0.25; } This adds a background that is 25% opaque (colored) and 75% transparent. CAVEAT Unfortunately, opacity will affect then entire element it's attached to. So if you have text in that element, it will set the text to 25% opacity too. :- ( WebFeb 17, 2015 · Here’s a basic example: html { background: url (greatimage.jpg); background-size: 300px 100px; } That’s an example of the two-value syntax for background size. There are four different … WebNov 18, 2024 · CSS named colors are one of the simplest ways to color an element: .my-element { background-color: red; } These are very limited, and rarely fit the designs we are building! We could also use color hex (hexadecimal) values. This code gives our element a red background color: .my-element { background-color: #ff0000; } chronic thrombocytopenia purpura