body {
                margin: 0;
                padding: 0;
                overflow:hidden;
            }
            .example2 {
                background: #08B;
                background: -webkit-linear-gradient(180deg, #0BF 0%, #056 100%);
                background: -moz-linear-gradient(180deg, #0BF 0%, #056 100%);
                background: linear-gradient(180deg, #0BF 0%, #056 100%);
                width: 100%;
                height: 100%;
                overflow: hidden;
            }

            .cuadrados {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                z-index: 1;
            }
            .cuadrados li {
                position: absolute;
                list-style: none;
                display: block;
                width: 40px;
                height: 40px;
                background-color: rgba(255 255 255 / 70%);
                bottom: -160px;
                -webkit-animation: square 25s infinite linear;
                -moz-animation: square 25s infinite linear;
                animation: square 25s infinite linear;
            }
            .cuadrados li:nth-child(1) {
                left: 10%;
            }
            .cuadrados li:nth-child(2) {
                left: 20%;
                width: 80px;
                height: 80px;
                -webkit-animation-delay: 2s;
                -moz-animation-delay: 2s;
                animation-delay: 2s;
                -webkit-animation-duration: 17s;
                -moz-animation-duration: 17s;
                animation-duration: 17s;
            }
            .cuadrados li:nth-child(3) {
                left: 25%;
                -webkit-animation-delay: 4s;
                -moz-animation-delay: 4s;
                animation-delay: 4s;
            }
            .cuadrados li:nth-child(4) {
                left: 40%;
                width: 60px;
                height: 60px;
                -webkit-animation-duration: 22s;
                -moz-animation-duration: 22s;
                animation-duration: 22s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(5) {
                left: 70%;
            }
            .cuadrados li:nth-child(6) {
                left: 80%;
                width: 120px;
                height: 120px;
                -webkit-animation-delay: 3s;
                -moz-animation-delay: 3s;
                animation-delay: 3s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(7) {
                left: 32%;
                width: 160px;
                height: 160px;
                -webkit-animation-delay: 7s;
                -moz-animation-delay: 7s;
                animation-delay: 7s;
            }
            .cuadrados li:nth-child(8) {
                left: 55%;
                width: 20px;
                height: 20px;
                -webkit-animation-delay: 15s;
                -moz-animation-delay: 15s;
                animation-delay: 15s;
                -webkit-animation-duration: 40s;
                -moz-animation-duration: 40s;
                animation-duration: 40s;
            }
            .cuadrados li:nth-child(9) {
                left: 25%;
                width: 10px;
                height: 10px;
                -webkit-animation-delay: 2s;
                -moz-animation-delay: 2s;
                animation-delay: 2s;
                -webkit-animation-duration: 40s;
                -moz-animation-duration: 40s;
                animation-duration: 40s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(10) {
                left: 90%;
                width: 160px;
                height: 160px;
                -webkit-animation-delay: 11s;
                -moz-animation-delay: 11s;
                animation-delay: 11s;
            }
            .cuadrados li:nth-child(11) {
                left: 15%;
                width: 17px;
                height: 17px;
                -webkit-animation-delay: 12s;
                -moz-animation-delay: 12s;
                animation-delay: 12s;
                -webkit-animation-duration: 40s;
                -moz-animation-duration: 40s;
                animation-duration: 40s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(12) {
                left: 20%;
                width: 5px;
                height: 5px;
                -webkit-animation-delay: 15s;
                -moz-animation-delay: 15s;
                animation-delay: 15s;
                -webkit-animation-duration: 15s;
                -moz-animation-duration: 15s;
                animation-duration: 15s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(13) {
                left: 45%;
                width: 8px;
                height: 8px;
                -webkit-animation-delay: 17s;
                -moz-animation-delay: 17s;
                animation-delay: 17s;
                -webkit-animation-duration: 29s;
                -moz-animation-duration: 29s;
                animation-duration: 29s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(14) {
                left: 50%;
                width: 120px;
                height: 120px;
                -webkit-animation-delay: 11s;
                -moz-animation-delay: 11s;
                animation-delay: 11s;
                -webkit-animation-duration: 19s;
                -moz-animation-duration: 19s;
                animation-duration: 19s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(15) {
                left: 67%;
                width: 50px;
                height: 50px;
                -webkit-animation-delay: 6s;
                -moz-animation-delay: 6s;
                animation-delay: 6s;
                -webkit-animation-duration: 12s;
                -moz-animation-duration: 12s;
                animation-duration: 12s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(16) {
                left: 75%;
                width: 20px;
                height: 20px;
                -webkit-animation-delay: 1s;
                -moz-animation-delay: 1s;
                animation-delay: 1s;
                -webkit-animation-duration: 25s;
                -moz-animation-duration: 25s;
                animation-duration: 25s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(17) {
                left: 10%;
                width: 10px;
                height: 10px;
                -webkit-animation-delay: 2s;
                -moz-animation-delay: 2s;
                animation-delay: 2s;
                -webkit-animation-duration: 20s;
                -moz-animation-duration: 20s;
                animation-duration: 20s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(18) {
                left: 55%;
                width: 10px;
                height: 10px;
                -webkit-animation-delay: 2s;
                -moz-animation-delay: 2s;
                animation-delay: 2s;
                -webkit-animation-duration: 32s;
                -moz-animation-duration: 32s;
                animation-duration: 32s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(19) {
                left: 59%;
                width: 10px;
                height: 10px;
                -webkit-animation-delay: 8s;
                -moz-animation-delay: 8s;
                animation-delay: 8s;
                -webkit-animation-duration: 15s;
                -moz-animation-duration: 15s;
                animation-duration: 15s;
                background-color: rgba(255 255 255 / 70%);
            }
            .cuadrados li:nth-child(20) {
                left: 5%;
                width: 15px;
                height: 15px;
                -webkit-animation-delay: 3s;
                -moz-animation-delay: 3s;
                animation-delay: 3s;
                -webkit-animation-duration: 10s;
                -moz-animation-duration: 10s;
                animation-duration: 10s;
                background-color: rgba(255 255 255 / 70%);
            }

            /*
            * Animaciones
            */

            @-webkit-keyframes square {
                0% {
                -webkit-transform: translateY(0);
                transform: translateY(0);
            }
            100% {
                -webkit-transform: translateY(-100%) rotate(600deg);
                transform: translateY(-100%) rotate(600deg);
            }
            }
            @-moz-keyframes square {
                0% {
                -moz-transform: translateY(0);
                transform: translateY(0);
            }
            100% {
                -moz-transform: translateY(-100%) rotate(600deg);
                transform: translateY(-100%) rotate(600deg);
            }
            }
            @keyframes square {
                0% {
                -webkit-transform: translateY(0);
                transform: translateY(0);
            }
            100% {
                -webkit-transform: translateY(-1500px) rotate(600deg);
                transform: translateY(-1500px) rotate(600deg);
            }
            }