body,
html {
  height: 100%;
  margin: 0px;
  overflow: hidden;
}
body {
  background: linear-gradient(20deg, #e7e3e3, #e7e3e3);
	background-size: 400% 400%;
	animation: gradient 2s ease infinite;
  overflow: auto;
}
body, html {
  height: 100%;
  margin: 0;
  font: 400 15px/1.8 "Lato", sans-serif;
  color: #777;
}
@keyframes gradient {
	0% { background-position: 0% 50%; }
	50% { background-position: 100% 50%; }
	100% { background-position: 0% 50%; }
}
.bg {
  overflow: hidden;
  /* Full height */
  height: 100%;
  /* The image used */
  /* Center and scale the image nicely */
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  /* zoom effect */
  transition: all 5s ease;
  -webkit-transition: all 5s ease;
  -moz-transition: all 5s ease;
  -o-transition: all 5s ease;
}
.image {
  position: absolute;
  overflow: hidden;
  top: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 100%;
}
.container_bg {
  -webkit-transition: all 0.2s linear 0s;
  -moz-transition: all 0.2s linear 0s;
  -o-transition: all 0.2s linear 0s;
  transition: all 0.2s linear 0s;
  visibility:visible;
  opacity:1;
}
.container_bg.fade_out,
.container_bg.not_fit {
	visibility:hidden;
  opacity:0;
}
@media all and (min-width: 1024px) {
  .container_bg.bg_active:hover .image,
  .container_bg.bg_active:focus .image {
    transform: scale(1.2);
  }
  .container_bg .image {
    transition: transform 0.5s;
  }
}