The General Sibling Selector ~ selects all elements that are siblings of a specified element. The following example selects all <p> elements that are siblings of <div> elements: The Adjacent Sibling Selector + selects all elements that are the adjacent siblings of a specified element. The following example Continue reading s What is the difference between ‘+’ and ‘~’ sibling selectors?
Both em and rem units are based on the font-size CSS property. The only difference is where they inherit their values from. em units inherit their value from the font-size of the parent element rem units inherit their value from the font-size of the root element (html) In most browsers, the font-size of the Continue reading What is the difference between em and rem units?
CSS sprites combine multiple images into one image, limiting the number of HTTP requests a browser has to make, thus improving load times. Even under the new HTTP/2 protocol, this remains true. Under HTTP/1.1, at most one request is allowed Continue reading What are the advantages of using CSS sprites and how are they utilized?