* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
.app .btn-group{
  text-align: center;
}
.app label.LoadBtn{
  display: inline-block;
  cursor: pointer;
}
.app label.LoadBtn .btn{
  padding: 10px;
  font-size: 1.1rem;
  display: block;
  margin: 5px auto;
  border-radius: 5px;
  cursor: pointer;
  outline: none;
  transition: 0.3s;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}
.app #my_video {
  display: block;
  margin: 10px auto;
  height: 80vh;
  max-width: 100%;
}
.app .frames-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.app .frames-grid > * {
  width: 32%;
  margin: 10px 0;
}
.app .frame{
  width: 100%;
  border:2px solid #000;
}
.app .CaptureBtn {
  padding: 15px;
  font-size: 1.1rem;
  display: block;
  margin: 5px auto;
  border-radius: 5px;
  cursor: pointer;
  outline: none;
  transition: 0.3s;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}
.app .CaptureBtn:hover {
  background-color: #444;
  color: #fff;
  transform: scale(1.1);
}