* {
  padding: 0;
  margin: 0;
}
.bg {
  background-size: cover;
  width: 100vw;
  height: 100vh;
  position: relative;
  background-position: center;
}
a {
  width: 100%;
  height: 100%;
}
.icon {
  position: absolute;
  right: 30px;
  top: 10px;
  cursor: pointer;
}
.icon img {
  width: 56px;
  height: auto;
}
.network {
  position: absolute;
  right: 100px;
  top: 10px;
  cursor: pointer;
}
.bottom {
  position: absolute;
  bottom: 0;
  height: 52px;
  background-color: rgba(0, 0, 0, 0.64);
  color: #fff;
  width: 100%;
  font-size: 18px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
}
.network img {
  width: 147px;
  height: auto;
}
.top {
  position: absolute;
  bottom: 0;
  height: 52px;
  background-color: rgba(0, 0, 0, 0.64);
  color: #fff;
  width: 100%;
  font-size: 18px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
}