.bg-jk {
  background-color: #00A6B6;
}

.main-bg {
  position: relative;
}

.main-bg:before {
  content: ' ';
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0.25;
  background-image: url('../images/bg.jpg');
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: cover;
}

.main-bg-content-placement {
  position: relative;
}

.opacity-100-hover {
  opacity: 1 !important;
  @media (min-width: 576px) { opacity: 0.75 !important; }
}
.opacity-100-hover:hover { opacity: 1 !important; }