/* Style the video: 100% width and height to cover the entire window */
#myVideo {
  position: fixed;
  right: 0;
  bottom: 0;
  min-width: 100%;
  min-height: 100%;
}


.header {
    grid-area: hd;
}
.footer {
    grid-area: ft;
    margin-top: auto;
}
.content {
    grid-area: main;
}
.sidebar_left {
    grid-area: sd;
}
.sidebar_right {
    grid-area: sdr;
}

.main_wrapper {
    display: grid;
    /*grid-template-columns: repeat(3, 1fr);*/
    grid-auto-columns: minmax(100px, auto);
    grid-auto-rows: minmax(100px, auto);
    grid-template-areas:
      "hd hd hd"
      "sd main sdr"
      "sd ft sdr";
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
}