* {
	margin:0; padding:0;
}
body,html {
	margin:0; padding:0;
	font-family: 'Tahoma', sans-serif;
}
a {
	text-decoration: none;
	color: #000;
}
.page a {
	text-decoration:underline;
}
h1, h2, h3, h4 {
	font-family: 'Tahoma', sans-serif;
}
h1 sup, h2 sup, h3 sup, h4 sup {
	color: white;
	padding: 0 10px 10px 10px;
	font-size:32pt;
}
ul, li {
	list-style: none;
}

hr {
	opacity: 0.2;
}

.web {
	height: 100vh;
	display: flex;
	flex-direction: column;
}
header,
footer {
  height: 100px;
}
.alert {
	padding: 10px;
	margin:20px auto 20px auto;
	text-align:center;
	vertical-align: middle;
	border-radius: 5px;
	width: 70%;
}
.error, .alert_error {
	background-color: #ffb8b8;
	color:red;
	border:1px solid red;
}
.ok, .alert_ok {
	background-color: #a4dfa0;
	color:#009246;
	border:1px solid #009246;
}