/* loading screen */
.loading-screen{
	display: none;
}
.loading-screen.loading{
	display: block !important;
	position: fixed;
	height: 100%;
	width: 100%;
	z-index: 2000;
	background-color: #ffffffc9;
}
.loading-screen.loading i{
  font-size: 200%;
  display: flex;
  height: 100%;
  position: fixed;
  align-items: center;
  width: 100%;
  justify-content: center;
}
body.loading{
	overflow: hidden;
	background-attachment: fixed;
}
/* end of loading screen */
/* form */
input.invalid{
	border: 1px solid #dc3545;
}