[CSS]Javascriptを使わずにCSSでTwitterフォローボタンをデザインする方法

CSSスニペット

2014.06.11

TwitterのフォローボタンをCSSでデザインする方法のご紹介です。

以前に紹介させていただいたTwitter フォローボタンをテキストリンクにする方法を使えば、HTMLとCSS だけでTwitter フォローリンクを設置することができるようになります。

JavascriptなしによるTwitter フォローボタンを設置するサンプル

まずはCSSによるボタンデザインのサンプルです。

.twitter-btn {
	font: normal normal normal 13px/26px 'Helvetica Neue',Arial,sans-serif;
	height: 28px;
	border-radius: 4px;
	max-width: 100%;
	box-sizing: border-box;
	position: relative;
	background-color: #F8F8F8;
 
	background-image: -webkit-gradient(linear,left top,left bottom,from(#FFF),to(#DEDEDE));
	background-image: -moz-linear-gradient(top,#FFF,#DEDEDE);
	background-image: -o-linear-gradient(top,#FFF,#DEDEDE);
	background-image: -ms-linear-gradient(top,#FFF,#DEDEDE);
	background-image: linear-gradient(top,#FFF,#DEDEDE);
	border: #CCC solid 1px;
	color: #333;
	font-weight: bold;
	text-shadow: 0 1px 0 rgba(255, 255, 255, .5);
	-webkit-user-select: none;
	-moz-user-select: none;
	-o-user-select: none;
	user-select: none;
	cursor: pointer;
	overflow: hidden;
	display: inline-block;
	vertical-align: top;
	zoom: 1;
	text-decoration: none;
}
 
.twitter-btn:hover {
	text-decoration: none;
}
 
.twitter-btn i {
	width: 21px;
	height: 16px;
	left: 4px;
	margin-top: -6px;
	position: absolute;
	top: 50%;
	background: rgba(0, 0, 0, 0) url(data:image/png;base64,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) 0 0 no-repeat;
	background-position: -24px 0;
}
 
.twitter-btn .label {
	padding: 0 7px 0 29px;
	white-space: nowrap;
}

.twitter-btn {

font: normal normal normal 13px/26px 'Helvetica Neue',Arial,sans-serif;

height: 28px;

border-radius: 4px;

max-width: 100%;

box-sizing: border-box;

position: relative;

background-color: #F8F8F8;

background-image: -webkit-gradient(linear,left top,left bottom,from(#FFF),to(#DEDEDE));

border: #CCC solid 1px;

color: #333;

font-weight: bold;

text-shadow: 0 1px 0 rgba(255, 255, 255, .5);

-webkit-user-select: none;

-moz-user-select: none;

-o-user-select: none;

user-select: none;

cursor: pointer;

overflow: hidden;

display: inline-block;

vertical-align: top;

zoom: 1;

text-decoration: none;

}

.twitter-btn:hover {

text-decoration: none;

}

.twitter-btn i {

width: 21px;

height: 16px;

left: 4px;

margin-top: -6px;

position: absolute;

top: 50%;

background: rgba(0, 0, 0, 0) url(data:image/png;base64,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) 0 0 no-repeat;

background-position: -24px 0;

}

.twitter-btn .label {

padding: 0 7px 0 29px;

white-space: nowrap;

}

フォローリンクを置きたい場所に以下のようなaタグを書きます。

<a href="https://twitter.com/intent/follow?screen_name=webantena" class="twitter-btn">
	<i></i>
	<span class="label">Follow @webantena</span>
</a>

<i></i>

<span class="label">Follow @webantena</span>

</a>

screen_nameにはTwitter ユーザー名（@の後ろの名前）を指定します。