#particles-js {
    position: absolute;
    width: 100%;
    height: 40%;
    background-image: url("");
    background-repeat: no-repeat;
    background-size: auto;
    background-position: 50% 50%;
    background: #0888c1;
    /* Old browsers */
    background: -moz-linear-gradient(to bottom, #d4d4d4, #dfdfdf, #e9e9e9, #f4f4f4, #ffffff);
    /* FF3.6-15 */
    background: -webkit-linear-gradient(to bottom, #d4d4d4, #dfdfdf, #e9e9e9, #f4f4f4, #ffffff);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to bottom, #d4d4d4, #dfdfdf, #e9e9e9, #f4f4f4, #ffffff);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#6819e8', endColorstr='#6980f2', GradientType=1);
    /* IE6-9 */
}

.jumbotron.jumbotron-main hr {
    border-width: 1px 0px;
    border-style: dotted none;
    border-color: rgba(255, 255, 255, 0.35);
    -moz-border-top-colors: none;
    -moz-border-right-colors: none;
    -moz-border-bottom-colors: none;
    -moz-border-left-colors: none;
    border-image: none;
    width: 49px;
    height: 4px;
    text-align: center;
    position: relative;
    clear: both;
}

.jumbotron.jumbotron-main a {
    color: #000;
}

.center-vertically {
    display: table-cell;
    vertical-align: middle;
    height: 100%;
}

.center-vertically-holder {
    display: table;
    height: 100%;
}

.scroll-indicator {
    padding-top: 6px;
    display: inline-block;
    width: 50px;
}

.arrow-scroll-indicator {
    font-size: 10px;
    color: #000;
}

.parallax-window {
    background: transparent;
}