body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    line-height: 1.7;
    font-weight: 300;
    font-size: 13px;
    background: #fff;
    font-family: 'Roboto', sans-serif;
}

.flash {
    width: 100%;
    position: absolute;
    background: #1488CC;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to top, #2B32B2, #1488CC);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to top, #2B32B2, #1488CC); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    }

.leaf {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    color: #fff;
}

.leaf div {
    position: absolute;
    display: block;
}

.leaf div:nth-child(1) {
    left: 20%;
    animation: fall 15s linear infinite;
    animation-delay: -2s;

}

.leaf div:nth-child(2) {
    left: 70%;
    animation: fall 15s linear infinite;
    animation-delay: -4s;
}

.leaf div:nth-child(3) {
    left: 10%;
    animation: fall 20s linear infinite;
    animation-delay: -7s;

}

.leaf div:nth-child(4) {
    left: 80%;
    animation: fall 18s linear infinite;
    animation-delay: -5s;
}

.leaf div:nth-child(5) {
    left: 85%;
    animation: fall 14s linear infinite;
    animation-delay: -5s;
}

.leaf div:nth-child(6) {
    left: 15%;
    animation: fall 16s linear infinite;
    animation-delay: -10s;
}

.leaf div:nth-child(7) {
    left: 90%;
    animation: fall 15s linear infinite;
    animation-delay: -4s;
}

@keyframes fall {
    0% {
        opacity: 1;
        top: -10%;
        transform: translateX (20px) rotate(0deg);
    }

    20% {
        opacity: 0.8;
        transform: translateX (-20px) rotate(45deg);
    }

    40% {

        transform: translateX (-20px) rotate(90deg);
    }

    60% {

        transform: translateX (-20px) rotate(135deg);
    }

    80% {

        transform: translateX (-20px) rotate(180deg);
    }

    100% {

        top: 110%;
        transform: translateX (-20px) rotate(225deg);
    }
}

.leaf1 {
    transform: rotateX(180deg);
}