OOQ

#css Pseudo-elements select specific parts of an element. ::first-line ::first-line selects the first line of the element. For example, the following sets the text color of the first line of the p element to red. p::first-line { color: red; } ::first-letter ::first-letter selects the first letter of the element. For example, the following sets the color of the first letter of the p element to re..

#css Adjacent Sibling Selector (Adjacent Sibling Selector) The Adjacent Sibling Selector selects the first element of any element's sibling element. For example, the following selects the first p element siblings of the h1 element. h1 + p #css grammar #css basic #css tag #css Adjacent Sibling Selector #Adjacent Sibling Selector #selector #css selector

#css Sibling Selector (Sibling Selector) A sibling selector is a selector that selects the siblings of any element. For example, the following selects the p element among the sibling elements of the h1 element. h1 ~ p #css grammar #css basic #css tag #css Sibling Selector #Sibling Selector #selector #css selector

#css Child Selector (Child Selector) A child selector selects the child elements of a particular element. For example, the following selects blockqoute among the child elements of the div element. div > blockquote The caveat is that you only select elements that are one step down. In other words, choose blockquote when: ... Don't choose blockquote if: ... #css grammar #css basic #css tag #css ch..

#css CSS Variables You can create and use variables in CSS. Variables allow you to change multiple values ​​at once. Variable declaration --variable-name: value; When you define a variable, you can use it in the element that defined the variable and its child elements. To make it available everywhere: Define as root. Use of variables property: var( --variable-name ) example Basic Use the variabl..