html, body {
  height: 100%;
}
body {
  display: flex;
  flex-direction: column;
}
.content {
  flex: 1 0 auto;
}
.footer {
  flex-shrink: 0;
  background-color: black;
  color: white;
  margin-top: 4em;
  padding-top: 2em;
}

.form-group-hinwchg {
	margin-top: 2em;	
}

.card1{
	margin: 3em;
	padding: 1em;
	box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
}