.bg-gray {
  background: #f9f9f9;
}
.section-sm {
  padding: 70px 0;
}
.section-sm {
  padding: 70px 0;
}

#preloader {
  background: #fff;
  height: 100%;
  left: 0;
  opacity: 1;
  filter: alpha(opacity=100);
  position: fixed;
  text-align: center;
  top: 0;
  width: 100%;
  z-index: 999999999;
}

.btn.active:focus, .btn:active:focus, .btn:focus {
  outline: 0;
}

.parallax-section {
  background-attachment: fixed;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

.preloader {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  position: absolute;
}

.preloader span {
  position: absolute;
  display: block;
  bottom: 0;
  width: 9px;
  height: 5px;
  border-radius: 5px;
  background: #fff;
  -webkit-animation: preloader 2s infinite ease-in-out;
  animation: preloader 2s infinite ease-in-out;
}

.preloader span:nth-child(2) {
  left: 11px;
  -webkit-animation-delay: 200ms;
  animation-delay: 200ms;
}

.preloader span:nth-child(3) {
  left: 22px;
  -webkit-animation-delay: 400ms;
  animation-delay: 400ms;
}

.preloader span:nth-child(4) {
  left: 33px;
  -webkit-animation-delay: 600ms;
  animation-delay: 600ms;
}

.preloader span:nth-child(5) {
  left: 44px;
  -webkit-animation-delay: 800ms;
  animation-delay: 800ms;
}

.preloader span:nth-child(6) {
  left: 55px;
  -webkit-animation-delay: 1000ms;
  animation-delay: 1000ms;
}

@-webkit-keyframes preloader {
  0% {
    height: 5px;
    transform: translateY(0);
    background: rgba(0, 0, 0, 0.1);
  }
  25% {
    height: 30px;
    transform: translateY(15px);
    background: #28ABE3;
  }
  50%, 100% {
    height: 5px;
    transform: translateY(0);
    background: rgba(0, 0, 0, 0.1);
  }
}
@keyframes preloader {
  0% {
    height: 5px;
    transform: translateY(0);
    background: #fff;
  }
  25% {
    height: 30px;
    transform: translateY(15px);
    background: #3498db;
  }
  50%, 100% {
    height: 5px;
    transform: translateY(0);
    background: #fff;
  }
}