footer{
  position:relative;
  margin-top: -7vh;
  text-align: end;
}
.copyright {
  color: white;
  margin-right:20px;
  display: flex;
  justify-content: flex-end;
}
.date_footer{
  margin-left: 4px;
  margin-right: 4px;
}
@media screen and (max-width: 600px){
	footer{
	  text-align:center;
	}
  .copyright {
    justify-content: center;
  }
}