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CSS3演绎神奇按钮效果(HTML5)

程序员文章站 2022-05-06 22:00:05
[html]        ...
[html]
<!doctype html> 
<html> 
 
<!-- author: @simurai --> 
 
<head> 
    <title>experimental -webkit-appearance:none styling</title> 
    <meta charset="utf-8"> 
    <style> 
 
     
/* this is just the basic styling for the whole page. */ 
 
/* global ------------------------------------------------------ */ 
 
html { 
    font: 62.5%/1 "lucida sans unicode","lucida grande",verdana,arial,helvetica,sans-serif; 
    background-color: hsl(200,5%,15%); 
    background-size: 5px 5px; 
    background-image:   -webkit-linear-gradient( 45deg, hsla(0,0%,0%,0) 0px,  
                                                        hsla(0,0%,0%,.10) 50%,  
                                                        hsla(0,0%,0%,0) 100% ); 
    } 
 
body { 
    margin: 0; 
    } 
 
 
 
/* list ------------------------------------------------------ */ 
 
ul { 
    list-style: none; 
    padding: 50px 0; 
    margin: 0; 
    font-size: 2em; 
    text-align: center; 
    background-image:   -webkit-linear-gradient( 0deg,  hsla(0,0%,100%,0) 0px,  
                                                        hsla(0,0%,100%,.09) 50%, 
                                                        hsla(0,0%,100%,0) 100% ); 
     
    } 
 
ul li { 
    padding: 50px 0; 
    } 
 
 
 
/* aside ------------------------------------------------------ */ 
 
aside { 
    position: fixed; 
    top: 20px; 
    left: 20px;     
    } 
 
aside button { 
    margin: 0; 
    padding: 10px ; 
    border: none; 
    border-radius: 5px; 
    font-weight: bold; 
    color: hsl(200,100%,60%); 
    background: hsla(0,0%,0%,.12); 
    cursor: pointer; 
    } 
 
aside button:hover { 
    background: hsla(0,0%,0%,.2); 
    } 
 
aside button:active { 
    -webkit-transform: translatey(1px); 
    } 
 
/*  
 * umbrui meter input by @simurai 
 */ 
 
 
 
/* -------------- meter -------------- */ 
 
meter:nth-child(1) { -webkit-transform: translate(-50px,  50px) rotate(-90deg); } 
meter:nth-child(2) { -webkit-transform: translate( -25px,  25px) rotate(-90deg); } 
meter:nth-child(3) { -webkit-transform: translate(   0px,   0px) rotate(-90deg); } 
meter:nth-child(4) { -webkit-transform: translate(  25px, -25px) rotate(-90deg); } 
meter:nth-child(5) { -webkit-transform: translate( 50px, -50px) rotate(-90deg); } 
 
 
meter { 
    -webkit-appearance: none; 
    position: relative; 
    display: block; 
    margin: 8px auto; 
    width: 100px; 
    height: 17px; 
    border-radius: 5px;      
    padding: 4px 5px 4px 5px; 
    box-sizing: border-box;    
    background: #000; 
    -webkit-box-shadow: -1px 0 0 hsla(0,0%,100%,.08); 
    -webkit-transform-origin: center 8px;                                                                        
    } 
 
 
meter::-webkit-meter-bar { 
    background-color: hsl(200,10%,14%); 
    background-size: 2px 5px; 
    background-image:   -webkit-linear-gradient( 0deg,  hsla(0,0%,0%,.4) 1px, hsla(0,0%,0%,0) 1px ), 
                        -webkit-linear-gradient( 90deg, hsla(0,0%,0%,1) 1px, hsla(0,0%,0%,0) 1px );  
    } 
 
 
meter::-webkit-meter-optimum-value, 
meter::-webkit-meter-suboptimum-value, 
meter::-webkit-meter-even-less-good-value { 
    background-size: inherit; 
    background-image:   inherit; 
    -webkit-box-shadow: 0 0 10px 2px hsla(200,100%,50%,.4); 
    -webkit-transition: width 1s cubic-bezier(.20, .10, .20, 1); 
    } 
 
 
/* with these pseudo selectors you could change the colors when changing the value. */ 
meter::-webkit-meter-optimum-value           { background-color: hsl(200,100%,50%); } 
meter::-webkit-meter-suboptimum-value        { background-color: hsl(200,100%,50%); } 
meter::-webkit-meter-even-less-good-value    { background-color: hsl(200,100%,50%); } 
 
 
meter:hover::-webkit-meter-optimum-value, 
meter:hover::-webkit-meter-suboptimum-value, 
meter:hover::-webkit-meter-even-less-good-value { 
    /*in the real world, just change the element's value, this is just a hack for this demo.*/ 
    width: 100% !important; 
    -webkit-transition: width .3s cubic-bezier(.20, .10, .20, 1); 
    } 
 
 
/*  
 * umbrui range slider by @simurai 
 */ 
 
 
/* -------------- range slider -------------- */ 
 
input[type="range"] { 
    -webkit-appearance: none;   /* remove safari default */ 
    outline: none; 
    width: 250px; 
    height: 5px; 
    border-radius: 1px; 
    position: relative; 
 
     
    background-color: #000; 
     
    -webkit-background-clip: padding-box; 
    border: 0; 
    border-bottom: 1px solid rgba(255,255,255,0.1); 
    cursor: ew-resize; 

 
input[type="range"]::-webkit-slider-thumb { 
    -webkit-appearance: none;   /* remove safari default */ 
    position: relative; 
    z-index:        1; 
 
    width: 26px; 
    height: 40px; 
    border-radius: 3px / 6px ; 
     
    background-image: -webkit-gradient( linear, left top, right top, 
        color-stop( 0,      hsl(0,0%,15%) ),  
        color-stop( .16,    hsl(0,0%,22%) ),  
        color-stop( .18,    hsl(0,0%,30%) ),  
        color-stop( .2,     hsl(0,0%,26%) ),  
         
        color-stop( .42,    hsl(200,60%,30%) ),  
        color-stop( .44,    hsl(200,0%,15%) ),  
        color-stop( .46,    hsl(200,100%,50%) ),  
        color-stop( .54,    hsl(200,100%,50%) ),  
        color-stop( .56,    hsl(200,0%,15%) ),  
        color-stop( .58,    hsl(200,60%,30%) ),  
         
        color-stop( .8,     hsl(0,0%,26%) ),  
        color-stop( .82,    hsl(0,0%,30%) ),  
        color-stop( .84,    hsl(0,0%,22%) ),  
        color-stop( 1,      hsl(0,0%,15%) )  
    ); 
     
    -webkit-box-shadow:  
         
        inset hsla(0,0%,100%,.15) 0 1px 0px, 
         
        hsl(0,0%,17%) 0 2px 0px, 
        hsl(0,0%,15%) 0 4px 0px, 
        hsl(0,0%,13%) 0 6px 0px, 
         
        rgba(0,0,0,.5) 0 8px 5px; 
     
    -webkit-transform: translatey(-3px); 
    -webkit-box-reflect:    below 0px -webkit-gradient(linear, left top, left bottom,  
                            from(transparent), color-stop(0.6, transparent), to( rgba(255,255,255,0.15) )); 

 
input[type="range"]:hover { 
     
    background-image: -webkit-gradient( linear, left top, right top, 
        color-stop( 0,      hsl(200,80%,45%) ),  
        color-stop( .08,    hsl(200,80%,15%) ),  
        color-stop( .5,     hsl(200,80%,0%) ),  
        color-stop( .92,    hsl(200,80%,15%) ),  
        color-stop( 1,      hsl(200,80%,45%) )  
    ); 
     
    -webkit-box-shadow: inset #000 1px 1px 1px, inset #000 -1px -1px 1px; 
 

 
 
 
/*  
 * umbrui checkboxes by @simurai 
 * usage: <input type="checkbox" data-icon1="p" data-icon2="v" />      
 */ 
 
 
/* ----------- checkbox */ 
 
 
input[type="checkbox"] { 
    -webkit-appearance:none;    /* remove safari default */ 
    outline: none; 
    width: 120px; 
    height: 40px; 
     
    position: relative; 
    border-radius: 6px; 
    background-color: #000; 
    -webkit-background-clip: padding-box; 
     
    border: 0; 
    border-bottom: 1px solid transparent; 
    -webkit-perspective: 200; 

 
input[type="checkbox"]:before, input[type="checkbox"]:after { 
    font: bold 22px/32px sans-serif; 
     
    text-align:     center; 
     
    position:   absolute; 
    z-index:    1; 
     
    width:          56px; 
    height:         30px; 
    top:            4px; 
     
    border: 0; 
    border-top: 1px solid rgba(255,255,255,0.15); 

 
input[type="checkbox"]:before { 
    content:    attr(data-icon1); 
    left:       4px; 
    border-radius: 3px 0 0 3px; 
 

 
input[type="checkbox"]:after { 
    content:    attr(data-icon2); 
    right:      4px; 
    border-radius: 0 3px 3px 0; 

 
 
/* ----------- checked/unchecked */ 
 
/* unchecked */ 
input[type="checkbox"] { 
    -webkit-border-image: -webkit-gradient(linear, 100% 0%, 0% 0%,  
                            from(rgba(255,255,255,0)), to(rgba(255,255,255,0)),  
                            color-stop(.1,rgba(255,255,255,.05)), 
                            color-stop(.3,rgba(5,137,200,0.4)), 
                            color-stop(.45,rgba(255,255,255,.05)), 
                            color-stop(.9,rgba(255,255,255,.1))  
                            )100% 100%; 
     
    background-image: -webkit-gradient( 
        linear, right top, left top, 
        color-stop( 0,  hsl(0,0%,0%) ), 
        color-stop( 0.14,   hsl(0,0%,50%) ), 
        color-stop( 0.15,   hsl(0,0%,0%) ) 
    );                       
    -webkit-box-shadow: inset #000 -7px 0 1px, inset #000 0 -5px 10px, inset #000 0 3px 3px; 

input[type="checkbox"]:after { 
    background-image: -webkit-gradient(linear, 70% top, 40% bottom,  
        from( hsl(0,0%,17%) ),to( hsl(0,0%,12%) )  
    ); 
    border-right: 1px solid transparent; 
    -webkit-border-image: -webkit-gradient(linear, left bottom, left top,  
                            from(rgba(255,255,255,0)),  
                            color-stop(.2,rgba(255,255,255,0)), 
                            color-stop(.4,rgba(255,255,255,.5)), 
                            to(rgba(255,255,255,.05)) 
                            )10% 100%; 
     
    -webkit-box-shadow: rgba(0,0,0,.6) 8px 3px 10px; 
    -webkit-transform: rotatey(-30deg) scalex(.9) scaley(1.1) translatex(-8px); 

 
 
/* checked */ 
input[type="checkbox"]:checked { 
    -webkit-border-image: -webkit-gradient(linear, 0% 0%, 100% 0%,  
                            from(rgba(255,255,255,0)), to(rgba(255,255,255,0)),  
                            color-stop(.1,rgba(255,255,255,.05)), 
                            color-stop(.3,rgba(5,137,200,0.4)), 
                            color-stop(.45,rgba(255,255,255,.05)), 
                            color-stop(.9,rgba(255,255,255,.1))  
                            )100% 100%; 
     
    background-image: -webkit-gradient( 
        linear, left top, right top, 
        color-stop( 0,  hsl(0,0%,0%) ), 
        color-stop( 0.14,   hsl(0,0%,50%) ), 
        color-stop( 0.15,   hsl(0,0%,0%) ) 
    );                       
    -webkit-box-shadow: inset #000 7px 0 1px, inset #000 0 -5px 10px, inset #000 0 3px 3px; 

input[type="checkbox"]:checked:before { 
    background-image: -webkit-gradient( linear, 30% top, 60% bottom,  
        from( hsl(0,0%,17%) ),to( hsl(0,0%,12%) )  
    ); 
    border-left: 1px solid transparent; 
    -webkit-border-image: -webkit-gradient(linear, left bottom, left top,  
                            from(rgba(255,255,255,0)),  
                            color-stop(.2,rgba(255,255,255,0)), 
                            color-stop(.4,rgba(255,255,255,.5)), 
                            to(rgba(255,255,255,.05)) 
                            )10% 100%; 
 
    -webkit-box-shadow: rgba(0,0,0,.6) -8px 3px 10px; 
    -webkit-transform: rotatey(30deg) scalex(.9) scaley(1.1) translatex(8px); 

 
 
/* ----------- active/inactve */ 
 
/* active */ 
input[type="checkbox"]:before, input[type="checkbox"]:checked:after { 
    color: hsl(200,100%,50%); 
    text-shadow:    rgba(0,0,0,.5) 0 1px 1px, #0589c8 0 0 10px; 
    -webkit-transform: none; 
    background-image: -webkit-gradient( linear, left top, left bottom, 
        from(   hsl(0,0%,20%) ), to( hsl(0,0%,15%) ) 
    ); 
    -webkit-border-image: none; 
    -webkit-box-shadow: none; 
     
    z-index:    2;                   

 
/* inactive */ 
input[type="checkbox"]:after, input[type="checkbox"]:checked:before { 
    color: #000; 
    text-shadow: rgba(255,255,255,.1) 0 -1px 0; 
    -webkit-box-reflect: none; 
    z-index:    1; 

 
 
 
 
/* ----------- hover */ 
 
input[type="checkbox"]:hover { 
    cursor: pointer; 

 
input[type="checkbox"]:hover:before { 
    background-image: -webkit-gradient( linear, left top, left bottom, 
        from(   hsl(0,0%,19%) ), to( hsl(0,0%,15%) ) 
    ); 
 

input[type="checkbox"]:hover:after { 
    background-image: -webkit-gradient(linear, 70% top, 40% bottom,  
        from( hsl(0,0%,16%) ),to( hsl(0,0%,11%) )  
    ); 

 
input[type="checkbox"]:checked:hover:before { 
    background-image: -webkit-gradient( linear, 30% top, 60% bottom,  
        from( hsl(0,0%,16%) ),to( hsl(0,0%,12%) )  
    ); 
 

input[type="checkbox"]:checked:hover:after { 
    background-image: -webkit-gradient( linear, left top, left bottom, 
        from(   hsl(0,0%,19%) ), to( hsl(0,0%,15%) ) 
    ); 

 
/*  
 * umbrui number input by @simurai 
 */ 
 
@import url(http://fonts.googleapis.com/css?family=vt323); 
 
 
/* -------------- number -------------- */ 
 
input[type="number"] { 
    -webkit-appearance: none; 
    outline: none; 
    position: relative; 
    z-index: 1; 
     
    width: 120px; 
    height: 60px; 
    border-radius: 40px / 60px;     
     
    font-family: 'vt323', cursive; 
    font-size: 36px; 
    line-height: 40px; 
    text-align: center; 
    -webkit-font-smoothing: none; 
    color: hsl(200,100%,50%); 
    text-shadow: 0 -1px 0px hsla(200,100%,70%,1), 0 1px 0px hsla(0,0%,0%,.8), 0 0 13px hsl(200,100%,50%); 
     
    border: 0; 
     
    background-color: hsl(200,10%,12%); 
    background-size: 4px 4px; 
    background-image:   -webkit-linear-gradient( 0deg, hsla(0,0%,0%,0) 75%, hsla(0,0%,0%,.4) 75% ), 
                        -webkit-linear-gradient( 90deg, hsla(0,0%,0%,0) 75%, hsla(0,0%,0%,.4) 75% );     
         
    -webkit-box-shadow: inset 0 0 0 4px hsla(0,0%,0%,1), 
                        inset 0 0 20px 5px hsla(0,0%,0%,.5), 
                        0 0px 0px 1px hsla(0,0%,0%,.4), 
                        0 1px 0 hsla(0,0%,100%,.25);                                                                                 

 
 
/* outer spin only works in safari, so lets hide it */ 
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; } 
 
 
/* spin button */ 
input[type="number"]::-webkit-inner-spin-button { 
    -webkit-appearance: none; 
    width: 32px; 
    border-radius: 40px / 60px;     
    border: 4px solid #000; 
    cursor: ns-resize; 
     
    -webkit-box-shadow: inset 0px 0px 3px 1px hsla(0,0%,0%,.6), 
                        inset 0px 6px 1px -2px hsla(0,0%,100%,.30), 
                        inset 0px -7px 1px -1px hsla(0,0%,0%,.5); 
     
    background-color: hsl(0,0%,20%); 
    background-image:  
                     
                    -webkit-radial-gradient( 50% 5%, contain,   hsla(0,0%,100%,.2) 0%, hsla(0,0%,0%,0) 70% ), 
                    -webkit-radial-gradient( 50% 86%, contain,  hsla(0,0%,100%,.05) 0%, hsla(0,0%,0%,0) 80% ), 
                    -webkit-linear-gradient( -90deg,    hsl(0,0%,15%) 0%,  
                                                        hsl(0,0%,18%) 48%, 
                                                        hsl(0,0%,10%) 48%, 
                                                        hsl(0,0%,27%) 52%,  
                                                        hsl(0,0%,20%) 52%,  
                                                        hsl(0,0%,34%) 100% ); 
                                                             
    -webkit-transition: border-color .2s ease-in-out; 

 
 
/* :active */ 
 
input[type="number"]:active::-webkit-inner-spin-button { 
    border-color: hsla(200,100%,50%,1); 
    -webkit-box-shadow: inset 0px 0px 3px 1px hsla(200,100%,20%,.6), 
                        inset 0px 6px 1px -2px hsla(200,100%,70%,.4), 
                        inset 0px -7px 1px -1px hsla(200,100%,10%,.5), 
                        0px 0px 4px 3px hsla(200,100%,50%,.3); 
     
    -webkit-transition: none;                                                    

 
 
 
 
/*  
 * umbrui radio buttons by @simurai 
 */ 
 
 
 
/* ----------- radio */ 
 
input[type="radio"] { 
    -webkit-appearance:none;    /* remove safari default */ 
    outline: none; 
    width: 68px; 
    height: 80px; 
     
    position: relative; 
    display: inline-block; 
    margin: 3px; 
    border-radius: 6px; 
     
    background-color: #000; 
     
    -webkit-background-clip: padding-box; 
     
    border: 0; 
    border-bottom: 1px solid rgba(255,255,255,0.1); 
     
    -webkit-perspective: 200; 

 
 
 
input[type="radio"]:before { 
    content:        attr(data-icon); 
     
    font:           22px/22px sans-serif; 
    text-shadow:    rgba(255,255,255,0.08) 0 -1px 0; 
    line-height:    40px; 
     
    text-align:     center; 
     
    position:       absolute; 
    z-index:        10; 
     
    width:          60px; 
    height:         70px; 
     
    margin: 4px; 
    border-radius: 3px;  
     
    background-image: -webkit-gradient( linear, left top, left bottom, 
        from(   hsl(0,0%,20%) ), to( hsl(0,0%,15%) ) 
    ); 
     
    border-top: 1px solid rgba(255,255,255,0.15); 
     

 
 
input[type="radio"]:after { 
    content: ""; 
    z-index:        12; 
    position:       absolute; 
    
    margin: 3px; 
    border-radius: 3px; 
     
    left:           6px; 
    top:            62px; 
    width:          50px; 
    height:         5px; 
     
    -webkit-box-shadow: inset rgba(0,0,0,.2) 0 -1px 2px, inset rgba(255,255,255,.1) 0 1px 1px; 
                 

 
 
/* ----------- checked */ 
 
 
input[type="radio"]:active, input[type="radio"]:checked { 
    -webkit-box-shadow: inset #000 4px 0px 4px, inset #000 -4px 0px 4px; 
    background-image: -webkit-gradient( 
        linear, left top, left bottom, 
        color-stop( 0,      hsl(0,0%,10%) ), 
        color-stop( 0.14,   hsl(0,0%,30%) ), 
        color-stop( 0.15,   hsl(0,0%,0%) ) 
    ); 
         

 
 
 
input[type="radio"]:active:before, input[type="radio"]:checked:before { 
    background-image: -webkit-gradient( linear, left top, left bottom, 
        from(   hsl(0,0%,19%) ), to( hsl(0,0%,12%) ) 
    ); 
     
    z-index:        11; 
     
    border: 0; 
    border-top: 1px solid transparent; 
    -webkit-border-image: -webkit-gradient(linear, 0% 0%, 100% 0%,  
                            color-stop(0,  hsla(200,100%,85%,.05)), 
                            color-stop(.5, hsl(200,0%,40%)), 
                            color-stop(1,  hsla(200,100%,80%,.05))  
                            )50% 100%; 
    -webkit-box-shadow: 0px 2px 1px 1px hsl(0,0%,13%);                       
    -webkit-transform: rotatex(-25deg) scalex(.95) translatey(4px); 

 
input[type="radio"]:checked:before { 
    color: hsl(200,100%,50%); 
    text-shadow:    rgba(0,0,0,.5) 0 1px 1px, #0589c8 0 0 10px;  
    -webkit-border-image: -webkit-gradient(linear, 0% 0%, 100% 0%,  
                            color-stop(0,  hsla(200,100%,85%,.05)), 
                            color-stop(.5, hsl(200,20%,50%)), 
                            color-stop(1,  hsla(200,100%,80%,.05))  
                            )50% 100%; 

 
input[type="radio"]:active:after, input[type="radio"]:checked:after { 
    top: 59px; 
    -webkit-transform: scale(.9); 
    opacity: .4; 

 
 
/* ----------- hover */ 
 
input[type="radio"]:hover { 
    cursor: pointer; 

input[type="radio"]:checked { 
    cursor: default; 

input[type="radio"]:hover:before { 
    background-image: -webkit-gradient( linear, left top, left bottom, 
        from(   hsl(0,0%,19.5%) ), to( hsl(0,0%,14%) ) 
    ); 

input[type="radio"]:checked:hover:before { 
    background-image: -webkit-gradient( linear, left top, left bottom, 
        from(   hsl(0,0%,19%) ), to( hsl(0,0%,12%) ) 
    ); 

/*  
 * umbrui progress input by @simurai 
 */ 
/* -------------- progress -------------- */ 
progress { 
    -webkit-appearance: none; 
    position: relative; 
    width: 150px; 
    height: 17px; 
    border-radius: 5px;      
    padding: 4px;    
    background: #000; 
    -webkit-box-shadow: 0 1px 0 hsla(0,0%,100%,.1); 
     
    /*disabled for now. 
    -webkit-box-reflect: below -3px -webkit-radial-gradient( 50% 70%, 50% 25%, hsla(0,0%,0%,.2) 0%, hsla(0,0%,0%,0) 95% );*/ 
    } 
progress::-webkit-progress-bar { 
    background-color: hsl(200,10%,14%); 
    background-size: 2px 5px; 
    background-image:   -webkit-linear-gradient( 0deg,  hsla(0,0%,0%,.4) 1px, hsla(0,0%,0%,0) 1px ), 
                        -webkit-linear-gradient( 90deg, hsla(0,0%,0%,1) 1px, hsla(0,0%,0%,0) 1px );  
    } 
progress::-webkit-progress-value { 
    background-size: inherit; 
    background-image:   inherit; 
    background-color: hsl(200,100%,50%); 
    -webkit-box-shadow: 0 0 10px 2px hsla(200,100%,50%,.4); 
    -webkit-transition: width 1s cubic-bezier(.20, .10, .20, 1); 
    } 
progress:hover::-webkit-progress-value { 
    /*in the real world, just change the element's value, this is just a hack for this demo.*/ 
    width: 100% !important; 
    -webkit-transition: width .3s cubic-bezier(.20, .10, .20, 1); 
    } 
   </style> 
    <script> 
        var rel = "stylesheet"; 
        function toggleumbrui(){ 
            if(rel == "stylesheet") { 
                rel = "" 
            } else { 
                rel = "stylesheet" 
            } 
            var allsuspects = document.getelementsbyclassname('umbrui'); 
            for (var i=allsuspects.length; i>0; i--){ 
                //console.log(allsuspects[i]); 
                console.log(allsuspects[i-1].href); 
                allsuspects[i-1].rel = rel; 
            } 
        } 
        //toggleumbrui(); 
    </script> 
</head> 
<body> 
    <ul> 
        <!-- meter --> 
        <li> 
            <meter value="0.3"></meter> 
            <meter value="0.2"></meter> 
            <meter value="0.16"></meter> 
            <meter value="0.2"></meter> 
            <meter value="0.3"></meter> 
        </li> 
        <!-- range --> 
        <li> 
            <input type="range" /> 
        </li> 
        <!-- checkbox --> 
        <li> 
            <input type="checkbox" data-icon1="♀" data-icon2="♂" /> 
        </li> 
        <!-- number --> 
        <li> 
            <input type="number" min="1" max="99" value="78" /> 
        </li> 
        <!-- radio --> 
        <li>               <input type="radio" name="radio" data-icon="❮❮" /><input type="radio" name="radio" data-icon="►" /><input type="radio" name="radio" data-icon="❯❯" /> 
        </li> 
        <!-- progress --> 
        <li> 
            <progress value="0.3"></progress> 
        </li> 
    </ul> 
    <aside> 
        <button onclick="toggleumbrui()">css3html5在线测试</button> 
    </aside> 
</body> 
</html>