CSS3 ?????
CSS3 ?????
CSS3 ?????? ???? ? ? ??? ??? ?? ??? ???? ??? ??? ? ????.
???? ??? ??? ???? ???? ???? ????. ??? CSS3 ?????? ???? ???? ???? ??? ???? ?? ? ????. ?? ?????? ????? ?? ????? ??? ? ?????? ?? ??? ? ? ????.
CSS3? ? ?? ??? ?????? ?????.
?? ????? - ???/?/??/???/??? ??? ????? - ???? ??
CSS3 ?? ?????
?? ?????? ???? ?? ??? ? ? ?? ???? ???. ?? ??? ???? ??? ????? ?????. ??? ???? ??(?? ??)? ??? ? ????.
Syntax
??: ?? ?????(??, ?? ??1, ?? ??2, ...);
?? ????? - ??? ???(???)
?? ???? ?? ???? ???? ??? ?????. ??. ????? ???? ??? ????? ??:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 200px;
background: -webkit-linear-gradient(red, blue); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(red, blue); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(red, blue); /* Firefox 3.6 - 15 */
background: linear-gradient(red, blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>線性漸變 - 從上到下</h3>
<p>從頂部開始的線性漸變。起點是紅色，慢慢過渡到藍色：</p>
<div id="grad1"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>?? ????? - ???? ?????
?? ?? ???? ???? ?? ?????? ?????. ???? ????? ??? ????? ?????.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 200px;
background: -webkit-linear-gradient(left, red , blue); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(right, red, blue); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(right, red, blue); /* Firefox 3.6 - 15 */
background: linear-gradient(to right, red , blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>線性漸變 - 從左到右</h3>
<p>從左邊開始的線性漸變。起點是紅色，慢慢過渡到藍色：</p>
<div id="grad1"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>?? ????? - ???
?? ? ?? ?? ??? ???? ??? ?????? ?? ? ????.
?? ???? ?? ???? ????(??? ????) ?? ?????? ?????. ????? ???? ??? ????? ??:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 200px;
background: -webkit-linear-gradient(left top, red , blue); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(bottom right, red, blue); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(bottom right, red, blue); /* Firefox 3.6 - 15 */
background: linear-gradient(to bottom right, red , blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>線性漸變 - 對角</h3>
<p>從左上角開始（到右下角）的線性漸變。起點是紅色，慢慢過渡到藍色：</p>
<div id="grad1"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>?? ??
????? ??? ? ???? ????? ?? ??? ??(???, ??, ???, ??, ??? ?? ?) ?? ??? ??? ? ????.
??
??: ?? ?????(angle, color-stop1, color-stop2);
??? ???? ????? ? ??? ??? ???? ?? ?? ???? ?????. ?, 0deg? ???? ?? ?????? ???, 90deg? ???? ????? ?????? ????.
??? ?? ????(Chrome, Safari, Fiefox ?)? ?? ??? ????? 0deg? ???? ????? ?????? ??? 90deg? ???? ???? ?????? ????. ?? ?? 90 - x = y ??? x? ?? ???? y? ??? ?????.
?? ?? ?? ??????? ??? ???? ??? ?????.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 100px;
background: -webkit-linear-gradient(0deg, red, blue); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(0deg, red, blue); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(0deg, red, blue); /* Firefox 3.6 - 15 */
background: linear-gradient(0deg, red, blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad2 {
height: 100px;
background: -webkit-linear-gradient(90deg, red, blue); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(90deg, red, blue); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(90deg, red, blue); /* Firefox 3.6 - 15 */
background: linear-gradient(90deg, red, blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad3 {
height: 100px;
background: -webkit-linear-gradient(180deg, red, blue); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(180deg, red, blue); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(180deg, red, blue); /* Firefox 3.6 - 15 */
background: linear-gradient(180deg, red, blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad4 {
height: 100px;
background: -webkit-linear-gradient(-90deg, red, blue); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(-90deg, red, blue); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(-90deg, red, blue); /* Firefox 3.6 - 15 */
background: linear-gradient(-90deg, red, blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>線性漸變 - 使用不同的角度</h3>
<div id="grad1" style="color:white;text-align:center;">0deg</div><br>
<div id="grad2" style="color:white;text-align:center;">90deg</div><br>
<div id="grad3" style="color:white;text-align:center;">180deg</div><br>
<div id="grad4" style="color:white;text-align:center;">-90deg</div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>?? ?? ?? ??
?? ?? ?? ?? ??? ???? ??? ?????.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 200px;
background: -webkit-linear-gradient(red, green, blue); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(red, green, blue); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(red, green, blue); /* Firefox 3.6 - 15 */
background: linear-gradient(red, green, blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad2 {
height: 200px;
background: -webkit-linear-gradient(red, orange, yellow, green, blue, indigo, violet); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(red, orange, yellow, green, blue, indigo, violet); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(red, orange, yellow, green, blue, indigo, violet); /* Firefox 3.6 - 15 */
background: linear-gradient(red, orange, yellow, green, blue, indigo, violet); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad3 {
height: 200px;
background: -webkit-linear-gradient(red 10%, green 85%, blue 90%); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(red 10%, green 85%, blue 90%); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(red 10%, green 85%, blue 90%); /* Firefox 3.6 - 15 */
background: linear-gradient(red 10%, green 85%, blue 90%); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>3 個顏色結(jié)點（均勻分布）</h3>
<div id="grad1"></div>
<h3>7 個顏色結(jié)點（均勻分布）</h3>
<div id="grad2"></div>
<h3>3 個顏色結(jié)點（不均勻分布）</h3>
<div id="grad3"></div>
<p><strong>注意：</strong> 當(dāng)未指定百分比時，顏色結(jié)點不會自動均勻分布。</p>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>??? ?? )
CSS3 ?????? ??? ??? ??? ? ??? ? ?? ???? ?????.
???? ???? ?? rgba() ??? ???? ?? ??? ?????. rgba() ??? ??? ????? 0?? 1 ??? ?? ? ? ??? ??? ???? ?????. 0? ?? ??? ???? 1? ?? ???? ?????.
?? ?? ???? ???? ?? ?????? ?????. ??? ???? ???? ??? ???? ????? ??? ?????.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 200px;
background: -webkit-linear-gradient(left, rgba(255,0,0,0), rgba(255,0,0,1)); /* Safari 5.1 - 6.0 */
background: -o-linear-gradient(right, rgba(255,0,0,0), rgba(255,0,0,1)); /* Opera 11.1 - 12.0 */
background: -moz-linear-gradient(right, rgba(255,0,0,0), rgba(255,0,0,1)); /* Firefox 3.6 - 15 */
background: linear-gradient(to right, rgba(255,0,0,0), rgba(255,0,0,1)); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>線性漸變 - 透明度</h3>
<p>為了添加透明度，我們使用 rgba() 函數(shù)來定義顏色結(jié)點。rgba() 函數(shù)中的最后一個參數(shù)可以是從 0 到 1 的值，它定義了顏色的透明度：0 表示完全透明，1 表示完全不透明。</p>
<div id="grad1"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>CSS3 ??? ?????
??? ?????? ???? ?????.
??? ?????? ????? ?? ? ?? ?? ??? ???? ???. ?? ??? ???? ??? ????? ?????. ??? ?????? ??, ??(????? ?? ??) ? ??? ??? ? ????. ????? ?????? ??? ??(???? ??)?? ?????? ??? ??(??? ??)?? ?????? ??? ?? ? ???(?? ? ???? ??)???.
??
??: ??? ?????(??, ?? ??, ?? ??, ..., ??? ??);
??? ????? - ?? ??? ??? ?????(?????)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 150px;
width: 200px;
background: -webkit-radial-gradient(red, green, blue); /* Safari 5.1 - 6.0 */
background: -o-radial-gradient(red, green, blue); /* Opera 11.6 - 12.0 */
background: -moz-radial-gradient(red, green, blue); /* Firefox 3.6 - 15 */
background: radial-gradient(red, green, blue); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>徑向漸變 - 顏色結(jié)點均勻分布</h3>
<div id="grad1"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>??? ????? - ??? ?? ?? ?? ??
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 150px;
width: 200px;
background: -webkit-radial-gradient(red 5%, green 15%, blue 60%); /* Safari 5.1 - 6.0 */
background: -o-radial-gradient(red 5%, green 15%, blue 60%); /* Opera 11.6 - 12.0 */
background: -moz-radial-gradient(red 5%, green 15%, blue 60%); /* Firefox 3.6 - 15 */
background: radial-gradient(red 5%, green 15%, blue 60%); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>徑向漸變 - 顏色結(jié)點不均勻分布</h3>
<div id="grad1"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>?? ??
shape ????? ??? ?????. ? ? ?? ??? ? ????. ? ? ?? ?? ????, ??? ??? ????. ???? ?????.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 150px;
width: 200px;
background: -webkit-radial-gradient(red, yellow, green); /* Safari 5.1 - 6.0 */
background: -o-radial-gradient(red, yellow, green); /* Opera 11.6 - 12.0 */
background: -moz-radial-gradient(red, yellow, green); /* Firefox 3.6 - 15 */
background: radial-gradient(red, yellow, green); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad2 {
height: 150px;
width: 200px;
background: -webkit-radial-gradient(circle, red, yellow, green); /* Safari 5.1 - 6.0 */
background: -o-radial-gradient(circle, red, yellow, green); /* Opera 11.6 - 12.0 */
background: -moz-radial-gradient(circle, red, yellow, green); /* Firefox 3.6 - 15 */
background: radial-gradient(circle, red, yellow, green); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>徑向漸變 - 形狀</h3>
<p><strong>橢圓形 Ellipse（默認(rèn)）：</strong></p>
<div id="grad1"></div>
<p><strong>圓形 Circle：</strong></p>
<div id="grad2"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>??? ?? ??? ??
size ????? ?????? ??? ?????. ?? ? ?? ?? ? ? ????:
closest-sidefarthest-sideclosest-cornerfarthest-corner
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 150px;
width: 150px;
background: -webkit-radial-gradient(60% 55%, closest-side,blue,green,yellow,black); /* Safari 5.1 - 6.0 */
background: -o-radial-gradient(60% 55%, closest-side,blue,green,yellow,black); /* Opera 11.6 - 12.0 */
background: -moz-radial-gradient(60% 55%, closest-side,blue,green,yellow,black); /* Firefox 3.6 - 15 */
background: radial-gradient(60% 55%, closest-side,blue,green,yellow,black); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad2 {
height: 150px;
width: 150px;
background: -webkit-radial-gradient(60% 55%, farthest-side,blue,green,yellow,black); /* Safari 5.1 - 6.0 */
background: -o-radial-gradient(60% 55%, farthest-side,blue,green,yellow,black); /* Opera 11.6 - 12.0 */
background: -moz-radial-gradient(60% 55%, farthest-side,blue,green,yellow,black); /* Firefox 3.6 - 15 */
background: radial-gradient(60% 55%, farthest-side,blue,green,yellow,black); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad3 {
height: 150px;
width: 150px;
background: -webkit-radial-gradient(60% 55%, closest-corner,blue,green,yellow,black); /* Safari 5.1 - 6.0 */
background: -o-radial-gradient(60% 55%, closest-corner,blue,green,yellow,black); /* Opera 11.6 - 12.0 */
background: -moz-radial-gradient(60% 55%, closest-corner,blue,green,yellow,black); /* Firefox 3.6 - 15 */
background: radial-gradient(60% 55%, closest-corner,blue,green,yellow,black); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
#grad4 {
height: 150px;
width: 150px;
background: -webkit-radial-gradient(60% 55%, farthest-corner,blue,green,yellow,black); /* Safari 5.1 - 6.0 */
background: -o-radial-gradient(60% 55%, farthest-corner,blue,green,yellow,black); /* Opera 11.6 - 12.0 */
background: -moz-radial-gradient(60% 55%, farthest-corner,blue,green,yellow,black); /* Firefox 3.6 - 15 */
background: radial-gradient(60% 55%, farthest-corner,blue,green,yellow,black); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>徑向漸變 - 不同尺寸大小關(guān)鍵字的使用</h3>
<p><strong>closest-side：</strong></p>
<div id="grad1"></div>
<p><strong>farthest-side：</strong></p>
<div id="grad2"></div>
<p><strong>closest-corner：</strong></p>
<div id="grad3"></div>
<p><strong>farthest-corner（默認(rèn)）：</strong></p>
<div id="grad4"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>?? ??? ?????
repeating-radial-gradient() ??? ??? ?????? ???? ? ?????.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#grad1 {
height: 150px;
width: 200px;
background: -webkit-repeating-radial-gradient(red, yellow 10%, green 15%); /* Safari 5.1 - 6.0 */
background: -o-repeating-radial-gradient(red, yellow 10%, green 15%); /* Opera 11.6 - 12.0 */
background: -moz-repeating-radial-gradient(red, yellow 10%, green 15%); /* Firefox 3.6 - 15 */
background: repeating-radial-gradient(red, yellow 10%, green 15%); /* 標(biāo)準(zhǔn)的語法（必須放在最后） */
}
</style>
</head>
<body>
<h3>重復(fù)的徑向漸變</h3>
<div id="grad1"></div>
<p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持漸變。</p>
</body>
</html>
