body {
  
  width: 500px;
  margin: 0 auto;
  padding: 50px;
 /* background-image: url(https://www.hdwallpapers.in/download/ocean_waves_beach_sand_under_white_clouds_blue_sky_during_sunset_hd_nature-1920x1080.jpg);
  background-size: cover;*/
}
.background-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

#bg-video {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
h1{
  color: aliceblue;
  padding-left: 130px;
  font-size: 40px;
}
div.elem-group {
  margin: 20px 0;
}

div.elem-group.inlined {
  width: 49%;
  display: inline-block;
  float: left;
  margin-left: 1%;
}

label {
  display: block;
  font-family: 'Nanum Gothic';
  padding-bottom: 10px;
  font-size: 1.5em;
  font-weight: bolder;
  color: aliceblue;
}

input, select, textarea {
  border-radius: 2px;
  border: 2px solid #777;
  box-sizing: border-box;
  font-size: 1.25em;
  font-family: 'Nanum Gothic';
  width: 100%;
  padding: 10px;
  background-color: rgb(187, 198, 204);
}

div.elem-group.inlined input {
  width: 95%;
  display: inline-block;
}

textarea {
  height: 250px;
}

hr {
  border: 1px dotted #ccc;
}

button {
  height: 50px;
  background: orange;
  border: none;
  color: white;
  font-size: 1.25em;
  font-family: 'Nanum Gothic';
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  border: 2px solid black;
}