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?? ?? ??? ???? ?? ??? ???? ?????. ??? ??? ????.

E: pseudo-class {property:value}

??? E? HTML? ????, ?? ???? CSS? ?? ??? ??? ????, ??? ?????. CSS? ??? value? CSS ?? ????.

?? ?? ???? HTML? ???? ??? ???? ? ???? ?? ??? ?? ??? ? ????. ?? ?? ????? ? ?? ??? ????. ? ??? ???? ?? ? ? ?? ?? ?? ?????, ?? ??? ??? ?? ?? ??????.

???? ?? ??? ??? ????.

QQ截圖20161020175603.png

IE8 ??? ??? E:active ? E:focus? ???? ?? ?? ?? ??? ???? ?? ?????? ?????.

?? ??? ???? ??? ???? ??? ? ??? ??? ?? ?? ?? ?? ??? ???? ??????.

<!DOCTYPE HTML>  
<HTML lang="en-US">  
    <HEAD>  
        <META charset="UTF-8">  
        <TITLE>使用動態(tài)偽類選擇器美化按鈕</TITLE>  
        <STYLE type="text/css">  
            .download-info {  
                text-align: center;  
            }  
            /*默認(rèn)狀態(tài)下的按鈕效果*/  
            .btn {  
                background-color: #0074cc;  
                *background-color: #0055cc;  
                /*CSS漸變制作背景圖片*/  
                background-image: -ms-linear-gradient(top, #0088cc, #0055cc);  
                background-image: -webkit-gradient(linear, 0, 0, 0 100%, from(#0088cc), to(#0055cc));  
                background-image: -webkit-linear-gradient(top, #0088cc, #0055cc);  
                background-image: -o-linear-gradient(top, #0088cc, #0055cc);  
                background-image: -moz-linear-gradient(top, #0088cc, #0055cc);  
                background-image: linear-gradient(top, #0088cc, #0055cc);  
                background-repeat: repeat-x;  
                display: inline-block;  
                *display: inline;  
                border: 1px solid #cccccc;  
                *border: 0;  
                border-color: #ccc;  
                /*CSS3的色彩模塊*/  
                border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);  
                border-radius: 6px;  
                color: #ffffff;  
                cursor: pointer;  
                font-size: 20px;  
                font-weight: normal;  
                filter: progid:dximagetransform.microsoft.gradient(startColorstr='#0088cc', endColorstr='#0055cc', GradientType=0);  
                filter: progid:dximagetransform.microsoft.gradient(enabled=false);  
                line-height: normal;  
                padding: 14px, 24px;  
                /*CSS3文字陰影特性*/  
                text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);  
                text-decoration: none;  
                vertical-align: middle;  
                *zoom: 1;  
  
            }  
  
            /*懸浮狀態(tài)下按鈕效果*/  
            .btn:hover {  
                background-position: 0 -15px;  
                background-color: #0055cc;  
                *background-color: #004ab3;  
                color: #ffffff;  
                text-shadow: 0, -1px 0 rgba(0, 0, 0, 0.25);  
                /*CSS3動畫效果*/  
                -webkit-transition: background-position 0.1s linear;  
                -moz-transition: background-position 0.1s lineaar;  
                -ms-transition: background-position 0.1s linear;  
                -0-transition: background-position 0.1s linear;  
                transition: background-position 0.1s linear;  
            }  
  
            /*點(diǎn)擊時(shí)按鈕效果*/  
            .btn:active {  
                background-color: #0055cc;  
                *background-color: #004ab3;  
                background-color: #004099 ;  
                background-image: none;  
                outline: 0;  
                /*CSS3盒子陰影特性*/  
                box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.15);  
                color: rgba(255, 255, 255, 0.75);  
            }  
                /*獲得焦點(diǎn)按鈕效果*/  
            .btn: focus {  
                outline: thin dotted #333;  
                outline: 5px auto -webkit-focus-ring-color;  
                outline-offset: -2px;  
            }  
            </STYLE>  
    </HEAD>  
    <BODY>  
        <div class="download-info">  
            <a hred="#" class="btn">View project on GitHub</a>  
        </div>  
    </BODY>  
</HTML>

?? ??? ??? ????(.btn ?? ??? ??):

QQ截圖20161020175638.png


??? ?? ?? ?? ? ??(.btn:hover? ??? ?? ???):

QQ截圖20161020175651.png

??? ???? ?? ??(.btn:active? ???? ???) ???):

QQ截圖20161020175700.png

Love-Hate ??(LoVe/HAte):

?? ?? ???? ??? "Love-Hate ??" LoVe/HAte, ? link-visited-? ???? ???. hover-active.(L-V-H-A) ?? IE6, IE7, IE8??? a:hover, a:active, a:visited? ??? ??? ????? ?? ???? ???? ????. ??? ?? ??? ???? ??? ?? ??? ??????.

IE6 IE7(Q) IE8(Q)? ?? A ??? :visited :hover :active ?? ???? ???? ???? ????? ?? ???? ???? ????

???? ??
||
<!DOCTYPE html> <html> <head> <meta charset=" utf-8"> <meta name="author" content="http://ipnx.cn/" /> <title>php中文網(wǎng)</title> <style type="text/css"> ul li{ list-style:none; } input:focus{ color:green; } </style> </head> <body> <ul> <li><input type="text" value="php中文網(wǎng)"/></li> <li><textarea>分享互助是胸懷的展現(xiàn)和進(jìn)步的橋梁</textarea></li> </body> </html>