#sending { 
  position: fixed;
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%; 
  flex-direction: column; 
  justify-content: center; 
  align-items: center; 
  transition: all 0.3s; 
  z-index: 9999;
  display: none;
} 

.btnfrm01 {
	margin: 1.5em auto;
	width: 20em;
	max-width: 80%;
	padding: 0.5em 1em;
	border: 1px solid #303030;
	font-size: 1.2em;
	transition: all .3s;
	outline: none;
	cursor: pointer;
  color: #fff;
}