Парящее навигационное меню

Реализованное только на CSS3 меню, в котором появление его подпунктов сопровождается анимацией похожей на сложившую лестницу.

В вашем шаблоне html для навигационных меню

 <ul id="nav">            <li><a href="http://dleshka.org/">Домой</a></li>            <li><a class="hsubs" href="#">Меню 1</a>                <ul class="subs">                    <li><a href="#">Подменю 1</a></li>                    <li><a href="#">Подменю 2</a></li>                    <li><a href="#">Подменю 3</a></li>                    <li><a href="#">Подменю 4</a></li>                    <li><a href="#">Подменю 5</a></li>                </ul>            </li>            <li><a class="hsubs" href="#">Меню 2</a>                <ul class="subs">                    <li><a href="#">Подменю 2-1</a></li>                    <li><a href="#">Подменю 2-2</a></li>                    <li><a href="#">Подменю 2-3</a></li>                    <li><a href="#">Подменю 2-4</a></li>                    <li><a href="#">Подменю 2-5</a></li>                    <li><a href="#">Подменю 2-6</a></li>                    <li><a href="#">Подменю 2-7</a></li>                    <li><a href="#">Подменю 2-8</a></li>                </ul>            </li>            <li><a class="hsubs" href="#">Меню 3</a>                <ul class="subs">                    <li><a href="#">Подменю 3-1</a></li>                    <li><a href="#">Подменю 3-2</a></li>                    <li><a href="#">Подменю 3-3</a></li>                    <li><a href="#">Подменю 3-4</a></li>                    <li><a href="#">Подменю 3-5</a></li>                </ul>            </li>            <li><a href="#">Меню 4</a></li>            <li><a href="#">Меню 5</a></li>            <li><a href="#">Меню 6</a></li>        </ul>

И наконец подключаем праметры в вашем style.css:

#nav,#nav ul {    list-style: none outside none;    margin: 0;    padding: 0;
}
#nav {    font-family: "Lucida Sans Unicode",Verdana,Arial,sans-serif;    font-size: 13px;    height: 36px;    list-style: none outside none;    margin: 40px auto;    text-shadow: 0 -1px 3px #202020;    width: 980px;
    /* border radius */    -moz-border-radius:4px;    -webkit-border-radius:4px;    border-radius:4px;
    /* box shadow */    -moz-box-shadow: 0px 3px 3px #cecece;    -webkit-box-shadow: 0px 3px 3px #cecece;    box-shadow: 0 3px 4px #8b8b8b;
    /* gradient */    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #787878), color-stop(0.5, #5E5E5E), color-stop(0.51, #707070), color-stop(1, #838383));    background-image: -moz-linear-gradient(center bottom, #787878 0%, #5E5E5E 50%, #707070 51%, #838383 100%);    background-color:#5f5f5f;
}
#nav ul {    left: -9999px;    position: absolute;    top: -9999px;    z-index: 2;
}
#nav li {    border-bottom: 1px solid #575757;    border-left: 1px solid #929292;    border-right: 1px solid #5d5d5d;    border-top: 1px solid #797979;    display: block;    float: left;    height: 34px;    position: relative;    width: 105px;
}
#nav li:first-child {    border-left: 0 none;    margin-left: 5px;
}
#nav li a {    color: #FFFFFF;    display: block;    line-height: 34px;    outline: medium none;    text-align: center;    text-decoration: none;
    /* gradient */    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #787878), color-stop(0.5, #5E5E5E), color-stop(0.51, #707070), color-stop(1, #838383));    background-image: -moz-linear-gradient(center bottom, #787878 0%, #5E5E5E 50%, #707070 51%, #838383 100%);    background-color:#5f5f5f;
}

/* keyframes #animation1 */
@-webkit-keyframes animation1 {    0% {        -webkit-transform: scale(1);    }    30% {        -webkit-transform: scale(1.3);    }    100% {        -webkit-transform: scale(1);    }
}
@-moz-keyframes animation1 {    0% {        -moz-transform: scale(1);    }    30% {        -moz-transform: scale(1.3);    }    100% {        -moz-transform: scale(1);    }
}
#nav li > a:hover {    /* css3 animation */    -moz-animation-name: animation1;    -moz-animation-duration: 0.7s;    -moz-animation-timing-function: linear;    -moz-animation-iteration-count: infinite;    -moz-animation-direction: normal;    -moz-animation-delay: 0;    -moz-animation-play-state: running;    -moz-animation-fill-mode: forwards;
    -webkit-animation-name: animation1;    -webkit-animation-duration: 0.7s;    -webkit-animation-timing-function: linear;    -webkit-animation-iteration-count: infinite;    -webkit-animation-direction: normal;    -webkit-animation-delay: 0;    -webkit-animation-play-state: running;    -webkit-animation-fill-mode: forwards;
}
#nav li:hover > a {    z-index: 4;
}
#nav li:hover ul.subs {    left: 0;    top: 34px;    width: 150px;
}
#nav ul li {    background: none repeat scroll 0 0 #838383;    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.5);    opacity: 0;    width: 100%;
    /*-webkit-transition:all 0.3s ease-in-out;    -moz-transition:all 0.3s ease-in-out;    -o-transition:all 0.3s ease-in-out;    -ms-transition:all 0.3s ease-in-out;    transition:all 0.3s ease-in-out;*/
}

/* keyframes #animation2 */
@-webkit-keyframes animation2 {    0% {        margin-left:185px;    }    100% {        margin-left:0px;        opacity:1;    }
}
@-moz-keyframes animation2 {    0% {        margin-left:185px;    }    100% {        margin-left:0px;        opacity:1;    }
}
#nav li:hover ul li {    /* css3 animation */    -moz-animation-name: animation2;    -moz-animation-duration: 0.3s;    -moz-animation-timing-function: linear;    -moz-animation-iteration-count: 1;    -moz-animation-direction: normal;    -moz-animation-delay: 0;    -moz-animation-play-state: running;    -moz-animation-fill-mode: forwards;
    -webkit-animation-name: animation2;    -webkit-animation-duration: 0.3s;    -webkit-animation-timing-function: linear;    -webkit-animation-iteration-count: 1;    -webkit-animation-direction: normal;    -webkit-animation-delay: 0;    -webkit-animation-play-state: running;    -webkit-animation-fill-mode: forwards;
    /*-webkit-transition:all 0.3s ease-in-out;    -moz-transition:all 0.3s ease-in-out;    -o-transition:all 0.3s ease-in-out;    -ms-transition:all 0.3s ease-in-out;    transition:all 0.3s ease-in-out;*/
}
/* animation delays */
#nav li:hover ul li:nth-child(1) {    -moz-animation-delay: 0;    -webkit-animation-delay: 0;
}
#nav li:hover ul li:nth-child(2) {    -moz-animation-delay: 0.05s;    -webkit-animation-delay: 0.05s;
}
#nav li:hover ul li:nth-child(3) {    -moz-animation-delay: 0.1s;    -webkit-animation-delay: 0.1s;
}
#nav li:hover ul li:nth-child(4) {    -moz-animation-delay: 0.15s;    -webkit-animation-delay: 0.15s;
}
#nav li:hover ul li:nth-child(5) {    -moz-animation-delay: 0.2s;    -webkit-animation-delay: 0.2s;
}
#nav li:hover ul li:nth-child(6) {    -moz-animation-delay: 0.25s;    -webkit-animation-delay: 0.25s;
}
#nav li:hover ul li:nth-child(7) {    -moz-animation-delay: 0.3s;    -webkit-animation-delay: 0.3s;
}
#nav li:hover ul li:nth-child(8) {    -moz-animation-delay: 0.35s;    -webkit-animation-delay: 0.35s;
}