<div id="lampadario">
  <input type="radio" name="switch" value="on" />
  <input type="radio" name="switch" value="off" checked="checked" />
  <label for="switch"></label>
  <div id="filo"></div>
  <div id="lampadina">
    <div id="sorpresa">
      <div id="footer">
        Hello there!
      </div>
      <div id="shadow">
        Hello there!
      </div>
    </div>
  </div>
</div>
html, body {
                font-family: Georgia, serif;
                font-style: italic;
                font-size: 4.2vmin;
                line-height: 4.7vmin;
                color: rgba(255,255,255,0.6);
                margin: 0;
                padding: 0;
                height: 100%;
                background: rgba(66,39,71,1);
                background: -moz-linear-gradient(top, rgba(66,39,71,1) 0%, rgba(43,25,46,1) 73%, rgba(19,11,20,1) 100%);
                background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(66,39,71,1)), color-stop(73%, rgba(43,25,46,1)), color-stop(100%, rgba(19,11,20,1)));
                background: -webkit-linear-gradient(top, rgba(66,39,71,1) 0%, rgba(43,25,46,1) 73%, rgba(19,11,20,1) 100%);
                background: -o-linear-gradient(top, rgba(66,39,71,1) 0%, rgba(43,25,46,1) 73%, rgba(19,11,20,1) 100%);
                background: -ms-linear-gradient(top, rgba(66,39,71,1) 0%, rgba(43,25,46,1) 73%, rgba(19,11,20,1) 100%);
                background: linear-gradient(to bottom, rgba(66,39,71,1) 0%, rgba(43,25,46,1) 73%, rgba(19,11,20,1) 100%);
            }
            a {
                color: rgba(255,255,255,0.6);
            }
            #lampadario {
                position: fixed;
                left: 50%;
                top: 0;
            }
            #filo {
                position: relative;
                background-color: #000000;
                width: 2px;
                height: 150px;
                left: 50%;
                margin-left: -1px;
                z-index: 1;
                -webkit-transform-origin: 0% 0%;
                   -moz-transform-origin: 0% 0%;
                    -ms-transform-origin: 0% 0%;
                     -o-transform-origin: 0% 0%;
                        transform-origin: 0% 0%;
                -webkit-animation: oscillaFilo .9s ease-in-out 0s infinite alternate;
                   -moz-animation: oscillaFilo .9s ease-in-out 0s infinite alternate;
                    -ms-animation: oscillaFilo .9s ease-in-out 0s infinite alternate;
                     -o-animation: oscillaFilo .9s ease-in-out 0s infinite alternate;
                        animation: oscillaFilo .9s ease-in-out 0s infinite alternate;
            }
            #filo:after {
                content: " ";
                left: -5px;
                top: 100%;
                position: absolute;
                border-bottom: 15px solid #000000;
                border-left: 4px solid transparent;
                border-right: 4px solid transparent;
                height: 0;
                width: 4px;
            }
            #lampadina {
                position:relative;
            }
            input[value="off"]:checked ~
            #filo {
                -webkit-box-shadow: -80px -10px 7px 0 rgba(0,0,0,0.1);
                   -moz-box-shadow: -80px -10px 7px 0 rgba(0,0,0,0.1);
                    -ms-box-shadow: -80px -10px 7px 0 rgba(0,0,0,0.1);
                     -o-box-shadow: -80px -10px 7px 0 rgba(0,0,0,0.1);
                        box-shadow: -80px -10px 7px 0 rgba(0,0,0,0.1);
            }
            input[value="off"]:checked ~
            #filo:after {
                -webkit-box-shadow: -80px -10px 10px -2px rgba(0,0,0,0.1);
                   -moz-box-shadow: -80px -10px 10px -2px rgba(0,0,0,0.1);
                    -ms-box-shadow: -80px -10px 10px -2px rgba(0,0,0,0.1);
                     -o-box-shadow: -80px -10px 10px -2px rgba(0,0,0,0.1);
                        box-shadow: -80px -10px 10px -2px rgba(0,0,0,0.1);
            }

            input {
                position: absolute;
                width: 90px;
                height: 70px;
                top: 150px;
                margin-left:-45px;
                opacity: 0;
                z-index: 1;
                cursor: pointer;
            }

            input[value="on"] {
                top: 150px;
            }
            input[value="off"] {
                top: -100px;
            }
            input[value="on"]:checked {
                top: -100px;
            }
            input[value="on"]:checked + input[value="off"] {
                top: 150px;
            }

            label {
                width: 51px;
                height: 51px;
                top: 164px;
                position: absolute;
                left: 0;
                margin-left: -24px;
                -webkit-border-radius: 100%;
                   -moz-border-radius: 100%;
                    -ms-border-radius: 100%;
                     -o-border-radius: 100%;
                        border-radius: 100%;
                -webkit-animation: oscillaLampadina .9s ease-in-out 0s infinite alternate;
                   -moz-animation: oscillaLampadina .9s ease-in-out 0s infinite alternate;
                    -ms-animation: oscillaLampadina .9s ease-in-out 0s infinite alternate;
                     -o-animation: oscillaLampadina .9s ease-in-out 0s infinite alternate;
                        animation: oscillaLampadina .9s ease-in-out 0s infinite alternate;
            }           
            input[value="off"]:checked ~
            label {
                background: rgba(255,255,255,0.03);
                -webkit-box-shadow: inset 0px 1px 5px rgba(255,255,255,0.1), inset 0px 2px 20px rgba(255,255,255,0.07), -80px -15px 15px -5px rgba(0,0,0,0.1);
                   -moz-box-shadow: inset 0px 1px 5px rgba(255,255,255,0.1), inset 0px 2px 20px rgba(255,255,255,0.07), -80px -15px 15px -5px rgba(0,0,0,0.1);
                    -ms-box-shadow: inset 0px 1px 5px rgba(255,255,255,0.1), inset 0px 2px 20px rgba(255,255,255,0.07), -80px -15px 15px -5px rgba(0,0,0,0.1);
                     -o-box-shadow: inset 0px 1px 5px rgba(255,255,255,0.1), inset 0px 2px 20px rgba(255,255,255,0.07), -80px -15px 15px -5px rgba(0,0,0,0.1);
                        box-shadow: inset 0px 1px 5px rgba(255,255,255,0.1), inset 0px 2px 20px rgba(255,255,255,0.07), -80px -15px 15px -5px rgba(0,0,0,0.1);
            }
            input[value="on"]:checked ~
            label {
                background: rgba(255,255,255,1);
                -webkit-box-shadow: 0px 0px 10px rgba(255,255,255,0.8), 0px 0px 30px rgba(255,255,255,0.8), 0px 0px 50px rgba(255,255,255,0.6), 0px 0px 70px rgba(255,255,255,0.6), -80px -15px 120px 0px rgba(255,255,255,0.4);
                   -moz-box-shadow: 0px 0px 10px rgba(255,255,255,0.8), 0px 0px 30px rgba(255,255,255,0.8), 0px 0px 50px rgba(255,255,255,0.6), 0px 0px 70px rgba(255,255,255,0.6), -80px -15px 120px 0px rgba(255,255,255,0.4);
                    -ms-box-shadow: 0px 0px 10px rgba(255,255,255,0.8), 0px 0px 30px rgba(255,255,255,0.8), 0px 0px 50px rgba(255,255,255,0.6), 0px 0px 70px rgba(255,255,255,0.6), -80px -15px 120px 0px rgba(255,255,255,0.4);
                     -o-box-shadow: 0px 0px 10px rgba(255,255,255,0.8), 0px 0px 30px rgba(255,255,255,0.8), 0px 0px 50px rgba(255,255,255,0.6), 0px 0px 70px rgba(255,255,255,0.6), -80px -15px 120px 0px rgba(255,255,255,0.4);
                        box-shadow: 0px 0px 10px rgba(255,255,255,0.8), 0px 0px 30px rgba(255,255,255,0.8), 0px 0px 50px rgba(255,255,255,0.6), 0px 0px 70px rgba(255,255,255,0.6), -80px -15px 120px 0px rgba(255,255,255,0.4);
            }

            input[value="off"]:checked ~
            label:after {
                content: " ";
                width: 15px;
                height: 15px;
                top: 0;
                position: absolute;
                left: 0;
                margin-left: 15px;
                -webkit-border-radius: 100%;
                   -moz-border-radius: 100%;
                    -ms-border-radius: 100%;
                     -o-border-radius: 100%;
                        border-radius: 100%;
                border: 2px solid rgba(255,255,255,0.03);
            }
            #sorpresa {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
            }
            input[value="off"]:checked ~
            #lampadina #sorpresa {
                opacity: 0;
            }
            input[value="on"]:checked ~
            #lampadina #sorpresa {
                opacity: 1;
            }
            #footer {
                position: fixed;
                width: 94%;
                text-align: center;
                bottom: 30%;
                padding: 0 3%;
                z-index:1;
            }
            #shadow {
                position: fixed;
                width: 94%;
                text-align: center;
                bottom: 29%;
                padding: 0 3%;
                color:rgba(0,0,0,0);
                -webkit-text-shadow: 0px 0px 4px rgba(0,0,0,0.3);
                   -moz-text-shadow: 0px 0px 4px rgba(0,0,0,0.3);
                    -ms-text-shadow: 0px 0px 4px rgba(0,0,0,0.3);
                     -o-text-shadow: 0px 0px 4px rgba(0,0,0,0.3);
                        text-shadow: 0px 0px 4px rgba(0,0,0,0.3);
                -webkit-transform-origin: 50% 0px;
                   -moz-transform-origin: 50% 0px;
                    -ms-transform-origin: 50% 0px;
                     -o-transform-origin: 50% 0px;
                        transform-origin: 50% 0px;
                -webkit-animation: ombraTesto .9s ease-in-out 0s infinite alternate;
                   -moz-animation: ombraTesto .9s ease-in-out 0s infinite alternate;
                    -ms-animation: ombraTesto .9s ease-in-out 0s infinite alternate;
                     -o-animation: ombraTesto .9s ease-in-out 0s infinite alternate;
                        animation: ombraTesto .9s ease-in-out 0s infinite alternate;
            }
            @-webkit-keyframes oscillaFilo {
                from {
                    -webkit-transform:rotate(5deg);
                } to {
                    -webkit-transform:rotate(-5deg);
                }
            }
            @-moz-keyframes oscillaFilo {
                from {
                    -moz-transform:rotate(5deg);
                } to {
                    -moz-transform:rotate(-5deg);
                }
            }
            @-ms-keyframes oscillaFilo {
                from {
                    -ms-transform:rotate(5deg);
                } to {
                    -ms-transform:rotate(-5deg);
                }
            }
            @-o-keyframes oscillaFilo {
                from {
                    -o-transform:rotate(5deg);
                } to {
                    -o-transform:rotate(-5deg);
                }
            }
            @keyframes oscillaFilo {
                from {
                    transform:rotate(5deg);
                } to {
                    transform:rotate(-5deg);
                }
            }

            @-webkit-keyframes oscillaLampadina {
                from {
                    -webkit-transform: rotate(3deg) translate(-16.4px,-1px);
                } to {
                    -webkit-transform: rotate(-3deg) translate(16.4px,-1px);
                }
            }
            @-moz-keyframes oscillaLampadina {
                from {
                    -moz-transform: rotate(3deg) translate(-16.4px,-1px);
                } to {
                    -moz-transform: rotate(-3deg) translate(16.4px,-1px);
                }
            }
            @-ms-keyframes oscillaLampadina {
                from {
                    -ms-transform: rotate(3deg) translate(-16.4px,-1px);
                } to {
                    -ms-transform: rotate(-3deg) translate(16.4px,-1px);
                }
            }
            @-o-keyframes oscillaLampadina {
                from {
                    -o-transform: rotate(3deg) translate(-16.4px,-1px);
                } to {
                    -o-transform: rotate(-3deg) translate(16.4px,-1px);
                }
            }
            @keyframes oscillaLampadina {
                from {
                    transform: rotate(3deg) translate(-16.4px,-1px);
                } to {
                    transform: rotate(-3deg) translate(16.4px,-1px);
                }
            }

            @-webkit-keyframes ombraTesto {
                from {
                    -webkit-transform: translate(1px,0px) scale(1.01,1.06) skew(0.9deg, 0deg);
                } to {
                    -webkit-transform: translate(-1px,0px) scale(1.01,1.06) skew(-0.9deg, 0deg);
                }
            }
            @-moz-keyframes ombraTesto {
                from {
                    -moz-transform: translate(1px,0px) scale(1.01,1.06) skew(0.9deg, 0deg);
                } to {
                    -moz-transform: translate(-1px,0px) scale(1.01,1.06) skew(-0.9deg, 0deg);
                }
            }
            @-ms-keyframes ombraTesto {
                from {
                    -ms-transform: translate(1px,0px) scale(1.01,1.06) skew(0.9deg, 0deg);
                } to {
                    -ms-transform: translate(-1px,0px) scale(1.01,1.06) skew(-0.9deg, 0deg);
                }
            }
            @-o-keyframes ombraTesto {
                from {
                    -o-transform: translate(1px,0px) scale(1.01,1.06) skew(0.9deg, 0deg);
                } to {
                    -o-transform: translate(-1px,0px) scale(1.01,1.06) skew(-0.9deg, 0deg);
                }
            }
            @keyframes ombraTesto {
                from {
                    transform: translate(1px,0px) scale(1.01,1.06) skew(0.9deg, 0deg);
                } to {
                    transform: translate(-1px,0px) scale(1.01,1.06) skew(-0.9deg, 0deg);
                }
            }

来源：http://xiaowiba.com/index.php/archives/983/
作者：http://www.jq22.com/code963