Menu nhiều cấp

Tạo thanh menu ngang cho blogspot

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Demo:

• Home
• Categories
  • CSS
    • Item 11
    • Item 12
    • Item 13
    • Item 14
  • Graphic design
    • Item 21
    • Item 22
    • Item 23
    • Item 24
  • Development tools
    • Item 31
    • Item 32
    • Item 33
    • Item 34
  • Web design
    • Item 41
    • Item 42
    • Item 43
    • Item 44
• Work
  • Work 1
    • Work 11
      • Work 111
      • Work 112
      • Work 113
    • Work 12
      • Work 121
      • Work 122
      • Work 123
    • Work 13
      • Work 131
      • Work 132
      • Work 133
  • Work 2
    • Work 21
      • Work 211
      • Work 212
      • Work 213
    • Work 22
      • Work 221
      • Work 222
      • Work 223
    • Work 23
      • Work 231
      • Work 232
      • Work 233
  • Work 3
    • Work 31
      • Work 311
      • Work 312
      • Work 313
    • Work 32
      • Work 321
      • Work 322
      • Work 323
    • Work 33
      • Work 331
      • Work 332
      • Work 333
• About
• Contact

<style>
    #menu
    {
     width: 100%;
     margin: 0;
     padding: 10px 0 0 0;
     list-style: none;
     background: #111;
     background: -moz-linear-gradient(#444, #111);
        background: -webkit-gradient(linear,left bottom,left top,color-stop(0, #111),color-stop(1, #444));
     background: -webkit-linear-gradient(#444, #111);
     background: -o-linear-gradient(#444, #111);
     background: -ms-linear-gradient(#444, #111);
     background: linear-gradient(#444, #111);
     -moz-border-radius: 50px;
     border-radius: 50px;
     -moz-box-shadow: 0 2px 1px #9c9c9c;
     -webkit-box-shadow: 0 2px 1px #9c9c9c;
     box-shadow: 0 2px 1px #9c9c9c;
    }
    #menu li
    {
     float: left;
     padding: 0 0 10px 0;
     position: relative;
     line-height: 0;
    }
    #menu a
    {
     float: left;
     height: 25px;
     padding: 0 25px;
     color: #999;
     text-transform: uppercase;
     font: bold 12px/25px Arial, Helvetica;
     text-decoration: none;
     text-shadow: 0 1px 0 #000;
    }
    #menu li:hover > a
    {
     color: #fafafa;
    }
    *html #menu li a:hover /* IE6 */
    {
     color: #fafafa;
    }
    #menu li:hover > ul
    {
     display: block;
    }

    #menu ul
    {
        list-style: none;
        margin: 0;
        padding: 0;
        display: none;
        position: absolute;
        top: 35px;
        left: 0;
        z-index: 99999;
        background: #444;
        background: -moz-linear-gradient(#444, #111);
        background: -webkit-gradient(linear,left bottom,left top,color-stop(0, #111),color-stop(1, #444));
        background: -webkit-linear-gradient(#444, #111);
        background: -o-linear-gradient(#444, #111);
        background: -ms-linear-gradient(#444, #111);
        background: linear-gradient(#444, #111);
        -moz-box-shadow: 0 0 2px rgba(255,255,255,.5);
        -webkit-box-shadow: 0 0 2px rgba(255,255,255,.5);
        box-shadow: 0 0 2px rgba(255,255,255,.5);
        -moz-border-radius: 5px;
        border-radius: 5px;
    }
    #menu ul ul
    {
      top: 0;
      left: 150px;
    }
    #menu ul li
    {
        float: none;
        margin: 0;
        padding: 0;
        display: block;
        -moz-box-shadow: 0 1px 0 #111111, 0 2px 0 #777777;
        -webkit-box-shadow: 0 1px 0 #111111, 0 2px 0 #777777;
        box-shadow: 0 1px 0 #111111, 0 2px 0 #777777;
    }
    #menu ul li:last-child
    {
        -moz-box-shadow: none;
        -webkit-box-shadow: none;
        box-shadow: none;
    }
    #menu ul a
    {
        padding: 10px;
     height: 10px;
     width: 130px;
     height: auto;
        line-height: 1;
        display: block;
        white-space: nowrap;
        float: none;
     text-transform: none;
    }
    *html #menu ul a /* IE6 */
    {
     height: 10px;
    }
    *:first-child+html #menu ul a /* IE7 */
    {
     height: 10px;
    }
    #menu ul a:hover
    {
        background: #0186ba;
     background: -moz-linear-gradient(#04acec,  #0186ba);
     background: -webkit-gradient(linear, left top, left bottom, from(#04acec), to(#0186ba));
     background: -webkit-linear-gradient(#04acec,  #0186ba);
     background: -o-linear-gradient(#04acec,  #0186ba);
     background: -ms-linear-gradient(#04acec,  #0186ba);
     background: linear-gradient(#04acec,  #0186ba);
    }
    #menu ul li:first-child > a
    {
        -moz-border-radius: 5px 5px 0 0;
        border-radius: 5px 5px 0 0;
    }
    #menu ul li:first-child > a:after
    {
        content: '';
        position: absolute;
        left: 30px;
        top: -8px;
        width: 0;
        height: 0;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-bottom: 8px solid #444;
    }
    #menu ul ul li:first-child a:after
    {
        left: -8px;
        top: 12px;
        width: 0;
        height: 0;
        border-left: 0;
        border-bottom: 5px solid transparent;
        border-top: 5px solid transparent;
        border-right: 8px solid #444;
    }
    #menu ul li:first-child a:hover:after
    {
        border-bottom-color: #04acec;
    }
    #menu ul ul li:first-child a:hover:after
    {
        border-right-color: #04acec;
        border-bottom-color: transparent;
    }

    #menu ul li:last-child > a
    {
        -moz-border-radius: 0 0 5px 5px;
        border-radius: 0 0 5px 5px;
    }
    #menu:after
    {
     visibility: hidden;
     display: block;
     font-size: 0;
     content: " ";
     clear: both;
     height: 0;
    }
    * html #menu             { zoom: 1; } /* IE6 */
    *:first-child+html #menu { zoom: 1; } /* IE7 */
    </style>

<ul id="menu">
<li>
<a href="http://www.testtemplatekhoi.blogspot.com/">Home</a>
</li>
<li>
<a href="#">Categories</a>
<ul>
<li>
<a href="#">CSS</a>
<ul>
<li>
<a href="#">Item 11</a>
</li>
<li>
<a href="#">Item 12</a>
</li>
<li>
<a href="#">Item 13</a>
</li>
<li>
<a href="#">Item 14</a>
</li>
</ul>
</li>
<li>
<a href="#">Graphic design</a>
<ul>
<li>
<a href="#">Item 21</a>
</li>
<li>
<a href="#">Item 22</a>
</li>
<li>
<a href="#">Item 23</a>
</li>
<li>
<a href="#">Item 24</a>
</li>
</ul>
</li>
<li>
<a href="#">Development tools</a>
<ul>
<li>
<a href="#">Item 31</a>
</li>
<li>
<a href="#">Item 32</a>
</li>
<li>
<a href="#">Item 33</a>
</li>
<li>
<a href="#">Item 34</a>
</li>
</ul>
</li>
<li>
<a href="#">Web design</a>
<ul>
<li>
<a href="#">Item 41</a>
</li>
<li>
<a href="#">Item 42</a>
</li>
<li>
<a href="#">Item 43</a>
</li>
<li>
<a href="#">Item 44</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Work</a>
<ul>
<li>
<a href="#">Work 1</a>
<ul>
<li>
<a href="#">Work 11</a>
<ul>
<li>
<a href="#">Work 111</a>
</li>
<li>
<a href="#">Work 112</a>
</li>
<li>
<a href="#">Work 113</a>
</li>
</ul>
</li>
<li>
<a href="#">Work 12</a>
<ul>
<li>
<a href="#">Work 121</a>
</li>
<li>
<a href="#">Work 122</a>
</li>
<li>
<a href="#">Work 123</a>
</li>
</ul>
</li>
<li>
<a href="#">Work 13</a>
<ul>
<li>
<a href="#">Work 131</a>
</li>
<li>
<a href="#">Work 132</a>
</li>
<li>
<a href="#">Work 133</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Work 2</a>
<ul>
<li>
<a href="#">Work 21</a>
<ul>
<li>
<a href="#">Work 211</a>
</li>
<li>
<a href="#">Work 212</a>
</li>
<li>
<a href="#">Work 213</a>
</li>
</ul>
</li>
<li>
<a href="#">Work 22</a>
<ul>
<li>
<a href="#">Work 221</a>
</li>
<li>
<a href="#">Work 222</a>
</li>
<li>
<a href="#">Work 223</a>
</li>
</ul>
</li>
<li>
<a href="#">Work 23</a>
<ul>
<li>
<a href="#">Work 231</a>
</li>
<li>
<a href="#">Work 232</a>
</li>
<li>
<a href="#">Work 233</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Work 3</a>
<ul>
<li>
<a href="#">Work 31</a>
<ul>
<li>
<a href="#">Work 311</a>
</li>
<li>
<a href="#">Work 312</a>
</li>
<li>
<a href="#">Work 313</a>
</li>
</ul>
</li>
<li>
<a href="#">Work 32</a>
<ul>
<li>
<a href="#">Work 321</a>
</li>
<li>
<a href="#">Work 322</a>
</li>
<li>
<a href="#">Work 323</a>
</li>
</ul>
</li>
<li>
<a href="#">Work 33</a>
<ul>
<li>
<a href="#">Work 331</a>
</li>
<li>
<a href="#">Work 332</a>
</li>
<li>
<a href="#">Work 333</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">About</a>
</li>
<li>
<a href="#">Contact</a>
</li>
</ul>