/* customizable snowflake styling */
.bkbbk {
    color: #fff;
    font-size: 2em;
    text-shadow: 0 0 1px #000;
}

.bkbbk.active {
    color: #fff;
    font-size: 2em;
    text-shadow: 0 0 1px #000;
}

.darken {
    background: rgba(0, 0, 0, .7);
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -998;
    opacity: 0;
    transition: opacity 1s;
}

@-webkit-keyframes snowflakes-fall {
    0% {
        top: -10%
    }
    100% {
        top: 100%
    }
}

@-webkit-keyframes snowflakes-shake {
    0% {
        -webkit-transform: translateX(0px);
        transform: translateX(0px)
    }
    50% {
        -webkit-transform: translateX(80px);
        transform: translateX(80px)
    }
    100% {
        -webkit-transform: translateX(0px);
        transform: translateX(0px)
    }
}

@keyframes snowflakes-fall {
    0% {
        top: -10%
    }
    100% {
        top: 100%
    }
}

@keyframes snowflakes-shake {
    0% {
        transform: translateX(0px)
    }
    50% {
        transform: translateX(80px)
    }
    100% {
        transform: translateX(0px)
    }
}

.bkbbk {
    position: fixed;
    top: -10%;
    z-index: 9999;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: default;
}

.bkbbk.active {
    position: fixed;
    top: -10%;
    z-index: 9999;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: default;
    -webkit-animation-name: snowflakes-fall, snowflakes-shake;
    -webkit-animation-duration: 10s, 3s;
    -webkit-animation-timing-function: linear, ease-in-out;
    -webkit-animation-iteration-count: infinite, infinite;
    -webkit-animation-play-state: running, running;
    animation-name: snowflakes-fall, snowflakes-shake;
    animation-duration: 5s, 3s;
    animation-timing-function: linear, ease-in-out;
    animation-iteration-count: infinite, infinite;
    animation-play-state: running, running;
}

.bkbbk.active:nth-child(2) {
    left: 1%;
    -webkit-animation-delay: 0s, 0s;
    animation-delay: 0s, 0s
}

.bkbbk.active:nth-child(3) {
    left: 10%;
    -webkit-animation-delay: 1s, 1s;
    animation-delay: 1s, 1s
}

.bkbbk.active:nth-child(4) {
    left: 20%;
    -webkit-animation-delay: 6s, .5s;
    animation-delay: 6s, .5s
}

.bkbbk.active:nth-child(5) {
    left: 30%;
    -webkit-animation-delay: 4s, 2s;
    animation-delay: 4s, 2s
}

.bkbbk.active:nth-child(6) {
    left: 40%;
    -webkit-animation-delay: 2s, 2s;
    animation-delay: 2s, 2s
}

.bkbbk.active:nth-child(7) {
    left: 50%;
    -webkit-animation-delay: 8s, 3s;
    animation-delay: 8s, 3s
}

.bkbbk.active:nth-child(8) {
    left: 60%;
    -webkit-animation-delay: 6s, 2s;
    animation-delay: 6s, 2s
}

.bkbbk.active:nth-child(9) {
    left: 70%;
    -webkit-animation-delay: 2.5s, 1s;
    animation-delay: 2.5s, 1s
}

.bkbbk.active:nth-child(10) {
    left: 80%;
    -webkit-animation-delay: 1s, 0s;
    animation-delay: 1s, 0s
}

.bkbbk.active:nth-child(11) {
    left: 90%;
    -webkit-animation-delay: 3s, 1.5s;
    animation-delay: 3s, 1.5s
}

/* Demo Purpose Only*/
.demo {
    font-family: 'Raleway', sans-serif;
    color: #fff;
    display: block;
    margin: 0 auto;
    padding: 15px 0;
    text-align: center;
}

.demo a {
    font-family: 'Raleway', sans-serif;
    color: #000;
}