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
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ホバーされた時にこの効果を発生させたいなら、以下のようなトランジ
ションを記述します。
:hoverの中でテキスト自身を非表示にすると、テキストが徐々にかす
んでいくような興味深い効果を得られます（図5.36 ）。
しかしこの例では、 text‐shadowだけを使ってテキストを表示してお
り、古いブラウザで問題が生じます。つまり、 text‐shadowに対応して
いないブラウザでは、ホバー時にテキストがまったく表示されません。こ
のようなブラウザからの利用がない環境でのみ、上の表示効果を適用する
ようにしましょう。代替案として、CSSフィルターを使ってテキストをぼ
かすことも可能です。
background:#203;
color:#ffc;
text‐shadow:00.1em,00.3em;
a{
background:#203;
color:white;
transition:1s;
}
a:hover{
text‐shadow:00.1em,00.3em;
}
a{
background:#203;
color:white;
transition:1s;
}
a:hover{
color:transparent;
text‐shadow:00.1emwhite,00.3emwhite;
}
235
シークレット27：リアルなテキストの表示効果
図5.35
発光のような表
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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.