July 2016
Intermediate to advanced
384 pages
10h 11m
Japanese
Content preview from CSSシークレット ―47のテクニックでCSSを自在に操る
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
知っておくべきポイント
CSSグラデーション、 P.78の「ストライプ模様の背景」
課題
P.78の「ストライプ模様の背景」では、 CSS グラデーションを使って
さまざまなストライプを作成しました。しかし、背景のパターンはストラ
イプだけではなく、幾何学的なパターンにもさまざまなものがあります。
例えば格子、水玉、市松模様などがよく使われます。
CSSグラデーションを使うと、これらの多くを生成できます。あまり実
用的ではないものもありますが、ほとんどの幾何学的なパターンはCSS グ
ラデーションを使って実現できます。ただし、不注意に作成すると、保守
の困難なコードが大量に生まれてしまうこともあります。複雑さが増すた
びに、コードのDRY さは減少します。CSSを使ってパターンを生成する際
には、 Sass（sass‐lang.com）などのプリプロセッサを使い、繰り返し
の回数を減らすのがよいでしょう。
このシークレットでは、比較的作りやすく利用頻度も高いと思われるも
のをいくつか紹介します。
複雑な背景のパターン
6
88
2章：背景とボーダー
89
シークレット6：複雑な背景のパターン
図2.38
筆 者 に よ る CSS3 PatternsGallery
（ lea.verou.me/css3pa
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.