html{
  -webkit-app-region: drag;
}
body{
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  background: #ECF0F1;
  -webkit-app-region: drag;
}
.rong-container{
  width: 100%;
}
.rong-nav{
  height: 80px;
  width: 100%;
  position: absolute;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #2C3E50;
}
.rong-roomid-input{
  width: 150px;
  height: 25px;
}
.rong-count-input{
  width: 80px;
  height: 37px;
  text-align: center;
  text-align-last: center;
}
.rong-start-input{
  height: 36px;
  width: 70px;
  cursor: pointer;
}
.rong-clearall-input{
  height: 36px;
  width: 100px;
  cursor: pointer;
}
.rong-leaveall-input{
  height: 36px;
  width: 130px;
  cursor: pointer;
}
.rong-viewers{
  margin-top: 80px;
  text-align: center;
}
.rong-viewer{
  width: 45%;
  height: 330px;
  margin: 5px;
  border: 1px dotted #CCC;
  -webkit-app-region: no-drag;
}