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index.html , styles.css , and minor adjustments: 1. index.html <!DOCTYPE html > < html lang = "en" > < head > …
index.html , styles.css , and minor adjustments: 1. index.html <!DOCTYPE html > < html lang = "en" > < head > …
HTML (Contact Form) <!DOCTYPE html > < html lang = "en" > < head > < meta charset = "utf-8" > &…
CSS :lang() Pseudo-Class The :lang() pseudo-class allows you to apply styles based on an element’s language attribute ( lang ) . It’s useful for m…
1. SQL Database Creation You have defined SQL queries to create three tables: country_state_city , data_counrty , and tbl_country , which are used …
CSS :invalid Pseudo-Class The :invalid pseudo-class targets form elements that do not meet the required validation criteria . This is especially …
CSS :last-child Pseudo-Class The :last-child pseudo-class selects the last child of a parent , regardless of its type. It’s useful for styling the…
CSS :last-of-type Pseudo-Class The :last-of-type pseudo-class selects the last element of a specific type within its parent. It’s useful for styl…
CSS :not() Pseudo-Class The :not() pseudo-class allows you to exclude elements that match a specific selector. It’s useful when you want to style…
CSS :nth-child() Pseudo-Class The :nth-child(n) pseudo-class selects an element based on its position among all children , counting from the begin…
CSS :nth-last-child Pseudo-Class The :nth-last-child(n) pseudo-class selects an element based on its position among all children , counting from t…
CSS :nth-last-of-type() Pseudo-Class The :nth-last-of-type(n) pseudo-class selects an element based on its position among elements of the same typ…
CSS :only-child Pseudo-Class The :only-child pseudo-class selects an element if it is the only child of its parent. This means the parent must n…
CSS :only-of-type Pseudo-Class The :only-of-type pseudo-class selects an element if it is the only one of its type within its parent. This is use…
CSS :optional Pseudo-Class The :optional pseudo-class selects <input> elements that are not required (i.e., they don't have the requir…
CSS :indeterminate Pseudo-Class The :indeterminate pseudo-class applies styles to checkboxes, radio buttons, and progress bars that are in an unce…