* {
  box-sizing: border-box;
}
html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}
body {
  font-size: 15px;
  line-height: 1.4;
  font-family: Calibri, Candara, Segoe, "Segoe UI", Optima, Arial, sans-serif;
  background: #000;
}
#VideoElement {
  /*    width: 500px;
    height: 375px;*/
  width: 100%;
  height: 100%;
}