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HTML

              
                <div id="wrapper">

<div class="boxshadow" id="box">
    <h2>CSS3 code generator</h2>
    <h3>box-shadow</h3>
    <p>Try and experiment with box-shadows, use the "surprise me" function or try one of the nicely arranged pre-sets</p>  
    <div class="codebox">
       <div id="snippet"></div>
    </div>
    <p style="font-size: 70%">As seen on <a href="http://www.selfhtml5.org/2013-css3/box-shadow-generator/">selfHTML5: CSS3 box-shadow generator</a> </p>
    
</div>



 <div style="background: white" class="params">
    <h3>pre sets</h3>
    <div style="box-shadow: 5px 5px #333" class="swatch"></div>hard light
    <hr class="dotted">
     <div style="box-shadow: 5px 5px 3px #666" class="swatch"></div> soft
    <hr class="dotted">     
      <div style="box-shadow: 0px 0px 5px #444" class="swatch"></div> from above
          <hr class="dotted">
       <div style="box-shadow: 0px 8px 6px -6px #666" class="swatch"></div> reduced
           <hr class="dotted">
       <div style="box-shadow: inset 0px 0px 10px #666" class="swatch"></div> inset
           <hr class="dotted">
       <div style="box-shadow: 0px 0px 10px -2px #FFF" class="swatch"></div> glow
   </div>



	<div class="params ">
    <h3>box-shadow parameters</h3>
    
            <div class="row0">
                <div class="minus">-</div>
                <input value="3" size="3" id="offX">
                <div class="plus">+</div>
                <label>Offset X</label>

            </div>

            <div class="row1">
                <div class="minus">-</div>
                <input value="3" size="3" id="offY"> 
                <div class="plus">+</div>
                <label>Offset Y</label>
            </div>    

           <div class="row0">
               <div class="minus">-</div>
                <input value="3" size="3" id="blur">
                <div class="plus">+</div>
                <label>Blur</label>
            </div>

            <div class="row1">
                <div class="minus">-</div>
                <input value="3" size="3" id="spread"> 
                <div class="plus">+</div>
                <label>Spread</label>
            </div>    

            <div class="row0">
               &nbsp; #<input value="555555" size="6" id="color"> <label>Color (HEX)</label>
            </div>

            <div class="row1">
                <input type="checkbox" value="inset" id="inset"><label>inset</label>
            </div>    
            
            <br />
			<button id="surprise" class="button">Surprise Me!</button>
    </div>

<hr style="clear: both; display:block; visibility: hidden; height: 30px" />
 </div>  

   
  

              
            
!

CSS

              
                
#wrapper { 
	font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
	background: #eee;
	background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI1IiBoZWlnaHQ9IjUiPgo8cmVjdCB3aWR0aD0iNSIgaGVpZ2h0PSI1IiBmaWxsPSIjOWU5ZTllIj48L3JlY3Q+CjxwYXRoIGQ9Ik0wIDVMNSAwWk02IDRMNCA2Wk0tMSAxTDEgLTFaIiBzdHJva2U9IiM4ODgiIHN0cm9rZS13aWR0aD0iMSI+PC9wYXRoPgo8L3N2Zz4=");	
	height: 100%;
	margin: 0;
}
h2, h3 {margin: 0 0 6px}

#box {
	width: 40%; float: left; padding: 16px;	
	margin: 25px
}
.boxshadow {border-radius: 8px border: 1px solid #fff; background: #ddd; }

a.button {cursor: pointer} 
.row0, .row1 {padding: 3px}
.row1 {background: #222}
.minus, .plus {background: silver; 
			background-image: linear-gradient(to bottom , #eee 0%, #ddd 50%, #bbb 50%,  #ddd 100%);
color: #111; font-weight:  bold; padding:  2px 3px; display: inline-block; width: 15px; cursor: pointer; text-align: center; border-radius: 2px}

#settings {float: right; width: 170px; background: #EEE; padding: 5px; border: 1px solid white; box-shadow: 0px 0px 5px #888; font-size: 85%; line-height: 1.1em}
#settings input {margin: 0; line-height: 1.1em }
#settings h4 {font-weight: bold; margin-bottom: 3px}

.codebox {padding: 15px; background: #ffc; border: 1px dotted #ccc;}
#snippet { font-style: italic}
.swatch {width: 30px; height: 30px; display: inline-block; background: #e2001a; margin-right: 20px; cursor:pointer}
hr.dotted {clear: both; display: block; height: 0; border-bottom: 1px dotted #ccc}

.params {
	width: 20%;
	margin: 25px 10px 0;
	border-radius: 12px;
	border: 8px solid #04d3ff;
	background-color: #111 ;
	padding: 8px;
	float: right;
	color: #999;
	font-size: 80%;
}

              
            
!

JS

              
                $(document).ready(function() {

        $('div.params input').blur(function(){
          setShadow();
        })
 
        $('#inset').click(function(){
           setShadow();
        })
 
        $('div.minus').click(function(){
             var toChange = $(this).next();
             toChange.val( parseInt(toChange.val()) -1 );
             setShadow();
        })
 
         $('div.plus').click(function(){
             var toChange = $(this).prev();
             toChange.val( parseInt(toChange.val()) +1 );
             setShadow();
        })
        
        $('#surprise').click(function(){
           setRandom();
           setShadow();
        })        
  
        $('#variants').click(function(){
           for (var c=0; c < 5; c++) {
               // boxshadow     offsetX           offsety              blur                             spread
               var shdw2 = rndnr('15') + 'px ' + rndnr('15') + 'px ' + Math.abs(rndnr('30')) + 'px ' + rndnr('10') + 'px ' + '#' + $('#color').val();           
               var html = "<div class='box' style='box-shadow: "+shdw2+"'>"+shdw2+"</div>";
               $('div.entry-content').append(html);
           }
        })     
     
       
        $('div.swatch').click(function(){
            $('#box').attr('style', $(this).attr('style'));
            $('#snippet').html($(this).attr('style'));
        })
 
 
        function setShadow () {
            var b = $('#box'); var shdw = '';
            
            if ($('#inset').is(':checked')) {
                shdw += 'inset ';
            }           
                shdw += $('#offX').val()+'px '+$('#offY').val()+'px '+$('#blur').val()+'px '+$('#spread').val()+'px #'+$('#color').val();
            
            b.css('box-shadow', shdw);
            $('#snippet').html('box-shadow: '+shdw);
        }
 
 
        function setRandom() {
            $('#offX').val(rndnr('15'));
            $('#offY').val(rndnr('15'));
            $('#blur').val(Math.abs(rndnr('30')));
            $('#spread').val(rndnr('10'));
            
            // inset
            var rndInset = Math.random();
            if (rndInset < .6) { $('#inset').attr('checked', false); } else { $('#inset').attr('checked', true); } ;
        }
 
        function rndnr(range) {
            var randomNum = Math.ceil(Math.random()* range)
            var vz = Math.random();
            if (vz < .5) randomNum = -1 * randomNum;          
            return randomNum;
        }

 setShadow();
});

              
            
!
999px

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