selector { filter: alpha(opacity=50); /* internet explorer */ -khtml-opacity: 0.5; /* khtm…
<!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="utf-8" />…
@charset "gb2312"; * { margin: 0; padding: 0; outline: none; } a { color:#333; text-decora…
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content…
$count: 50; @for $idx from 1 through $count { @keyframes #{'anime-' + $idx} { 0% { transfo…
<!DOCTYPE html> <html> <head> <style> /* How to select a range of …