body {
  position: relative;
  /*font-family: 'Courier New', Courier, monospace;*/
  /*font-size: 17px;*/
  /*font-size: 24px;*/
  min-height: 100%;
  height: 100%;
  margin: 0;
  padding: 0;

  background-color: #000000;
}

#navigation {
  text-align: center;
}

#navigation a {
  position: fixed;
  padding: 1em;
  color: white;
  text-shadow: navy 1px 1px 4px, navy 1px 1px 3px;
  text-decoration: none;
  z-index: 100;
}

#navigation a.left_top {
  top: 0;
  left: 0;
  padding-top: 2em;
}

#navigation a.right_top {
  right: 0;
  top: 0;
  padding-top: 2em;
}

#navigation a.left_bottom {
  left: 0;
  bottom: 0;
  padding-bottom: 2em;
}

#navigation a.center_middle {
  vertical-align: central;
}

#navigation a.center_bottom {
  bottom: 0;
}

#navigation a.right_bottom {
  right: 0;
  bottom: 0;
  padding-bottom: 2em;
}

#content {
  text-align: center;
}

#background {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

#background {
  background-image: url(../images/back_mobile.jpg);
  background-position: center bottom;
  background-size: cover;
}
@media screen and (min-width: 980px) {
  #background {
    background-image: url(../images/back_pc.jpg);
  }
}

#background video {
  object-fit: cover;
  height: 100%;
}

#container {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

#load-container {
  display: flex;
  align-items: center;
  overflow: hidden;
  visibility: hidden;
}

.loader {
  font-size: 10px;
  margin: 50px auto;
  text-indent: -9999em;
  width: 11em;
  height: 11em;
  border-radius: 50%;
  background: #ffffff;
  background: -moz-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  background: -webkit-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  background: -o-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  background: -ms-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  background: linear-gradient(to right, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  position: relative;
  -webkit-animation: load3 1.4s infinite linear;
  animation: load3 1.4s infinite linear;
  -webkit-transform: translateZ(0);
  -ms-transform: translateZ(0);
  transform: translateZ(0);
}
.loader:before {
  width: 50%;
  height: 50%;
  background: #ffffff;
  border-radius: 100% 0 0 0;
  position: absolute;
  top: 0;
  left: 0;
  content: "";
}
.loader:after {
  background: #000000;
  width: 75%;
  height: 75%;
  border-radius: 50%;
  content: "";
  margin: auto;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}
@-webkit-keyframes load3 {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes load3 {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

.sk-circle {
  margin: 100px auto;
  width: 80px;
  height: 80px;
  position: relative;
}
.sk-circle .sk-child {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
}
.sk-circle .sk-child:before {
  content: "";
  display: block;
  margin: 0 auto;
  width: 15%;
  height: 15%;
  background-color: rgb(255, 255, 255);
  border-radius: 100%;
  -webkit-animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
  animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
}
.sk-circle .sk-circle2 {
  -webkit-transform: rotate(30deg);
  -ms-transform: rotate(30deg);
  transform: rotate(30deg);
}
.sk-circle .sk-circle3 {
  -webkit-transform: rotate(60deg);
  -ms-transform: rotate(60deg);
  transform: rotate(60deg);
}
.sk-circle .sk-circle4 {
  -webkit-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  transform: rotate(90deg);
}
.sk-circle .sk-circle5 {
  -webkit-transform: rotate(120deg);
  -ms-transform: rotate(120deg);
  transform: rotate(120deg);
}
.sk-circle .sk-circle6 {
  -webkit-transform: rotate(150deg);
  -ms-transform: rotate(150deg);
  transform: rotate(150deg);
}
.sk-circle .sk-circle7 {
  -webkit-transform: rotate(180deg);
  -ms-transform: rotate(180deg);
  transform: rotate(180deg);
}
.sk-circle .sk-circle8 {
  -webkit-transform: rotate(210deg);
  -ms-transform: rotate(210deg);
  transform: rotate(210deg);
}
.sk-circle .sk-circle9 {
  -webkit-transform: rotate(240deg);
  -ms-transform: rotate(240deg);
  transform: rotate(240deg);
}
.sk-circle .sk-circle10 {
  -webkit-transform: rotate(270deg);
  -ms-transform: rotate(270deg);
  transform: rotate(270deg);
}
.sk-circle .sk-circle11 {
  -webkit-transform: rotate(300deg);
  -ms-transform: rotate(300deg);
  transform: rotate(300deg);
}
.sk-circle .sk-circle12 {
  -webkit-transform: rotate(330deg);
  -ms-transform: rotate(330deg);
  transform: rotate(330deg);
}
.sk-circle .sk-circle2:before {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}
.sk-circle .sk-circle3:before {
  -webkit-animation-delay: -1s;
  animation-delay: -1s;
}
.sk-circle .sk-circle4:before {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}
.sk-circle .sk-circle5:before {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}
.sk-circle .sk-circle6:before {
  -webkit-animation-delay: -0.7s;
  animation-delay: -0.7s;
}
.sk-circle .sk-circle7:before {
  -webkit-animation-delay: -0.6s;
  animation-delay: -0.6s;
}
.sk-circle .sk-circle8:before {
  -webkit-animation-delay: -0.5s;
  animation-delay: -0.5s;
}
.sk-circle .sk-circle9:before {
  -webkit-animation-delay: -0.4s;
  animation-delay: -0.4s;
}
.sk-circle .sk-circle10:before {
  -webkit-animation-delay: -0.3s;
  animation-delay: -0.3s;
}
.sk-circle .sk-circle11:before {
  -webkit-animation-delay: -0.2s;
  animation-delay: -0.2s;
}
.sk-circle .sk-circle12:before {
  -webkit-animation-delay: -0.1s;
  animation-delay: -0.1s;
}

@-webkit-keyframes sk-circleBounceDelay {
  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

@keyframes sk-circleBounceDelay {
  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}