body{

font-size:12px;

font-family:"Courier New", Courier, monospace;

letter-spacing:5px;

}

ul{

list-style:none;

}

li{

width:130px;

height:130px;

line-height:130px;

vertical-align:middle;

text-align:center;

float:left;

margin-left:20px;

}

javascript生成随机颜色

$(function(){

$("ul li").each(function(){

$(this).css("background-color",getRandomColor());

});

})

function getRandomColor()

{

var c = '#';

var cArray = ['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'];

for(var i = 0; i < 6;i++)

{

var cIndex = Math.round(Math.random()*15);

c += cArray[cIndex];

}

return c;

}