#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: url("");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
  background: #6819e8;
  background: -moz-linear-gradient(left, #6819e8 0%, #7437d0 35%, #615fde 68%, #6980f2 100%);
  background: -webkit-linear-gradient(left, #6819e8 0%,#7437d0 35%,#615fde 68%,#6980f2 100%);
  background: linear-gradient(to right, #6819e8 0%,#7437d0 35%,#615fde 68%,#6980f2 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#6819e8', endColorstr='#6980f2',GradientType=1 );
}

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