#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
/*     background-color: #FFFFFF */
    background-image: url("");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
  }

.showing-particles{

  position: absolute;

  padding-top: 10px;
  padding-right: 300px;
  padding-bottom: 50px;
  padding-left: 300px
}