What does the gt; (greater-than sign) CSS selector mean? 63 > (greater-than sign) is a CSS Combinator (Combine + Selector) A combinator is something that explains the relationship between the selectors A CSS selector can contain more than one simple selector Between the simple selectors, we can include a combinator There are four different combinators in CSS3: descendant selector (space) child
What does an asterisk (*) do in a CSS selector? - Stack Overflow The CSS that you referenced is very useful to a web-designer for debugging page layout problems I often drop it into the page temporarily so I can see the size of all the page elements and track down, for example, the one that has too much padding which is nudging other elements out of place
What is the purpose of the @ symbol in CSS? - Stack Overflow These are all known in CSS as at-rules They're special instructions for the browser, not directly related to styling of (X)HTML XML elements in Web documents using rules and properties, although they do play important roles in controlling how styles are applied Some code examples: * Import another stylesheet from within a stylesheet *
css - Make a grid column span the entire row - Stack Overflow Here are two interesting sections in the CSS Grid specification: 7 1 The Explicit Grid Numeric indexes in the grid-placement properties count from the edges of the explicit grid Positive indexes count from the start side, while negative indexes count from the end side also here 8 3 Line-based Placement: the grid-row-start, grid-column-start, grid-row-end, and grid-column-end properties
What is the difference between margin and padding in CSS? The biggest difference between padding and margin is that vertical margins auto-collapse, and padding doesn't Consider two elements one above the other each with padding of 1em This padding is considered to be part of the element and is always preserved You will end up with the content of the first element, followed by the padding of the first element, followed by the padding of the second
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