style.css

.btn {
  font-size: 18px;
  background-color: black;
  color: white;
  border: 1px, solid, white;
}

.btn: focus{
  background-color: white;
  color: black;
  border: 1px, solid, black;
}

.inp{
  width: 40px;
  height: 30px;
  margin: 5px;
  font-size: 12px;
  color: black;
  padding: 0px;
  text-align: center;
}

#continue_bttn {
  text-align: center;
}

#next_bttn {
  text-align: center;
}

.inp_div {
  display: inline;
}


.block {
  display: block;
  margin: auto;
  width: 40%;
  padding: 10px;
}

#footer {
	width: 100%;
	clear: both;
	position: relative;
	text-align: center;
	font-size: large;
	bottom: -10vh;
	font-weight: 900;
	background: grey; 
	padding: .5%;
	opacity: .85;
	color: white;
}

#me {
	color: black;
	text-decoration: none;
}

#me:visited {
	text-decoration: none;
}

#me:hover {
	color: aqua;
	text-decoration: none;
}


#info_link :hover {
	text-decoration: underline;
}
#info_link :visited {
	text-decoration: none;
}