html, body {
	background: #87CEEB;
	font-family: arial;
}

#table {
	
}

.error {
	color: #FF0000;
}

table {
    border-collapse: collapse;
    background: #E0ECF8;
}

th, td {
    padding: 5px;
	border: 1px solid black;
}

tr:nth-child(even){background-color: #f2f2f2}
 
 ul {
		list-style-type: none;
		padding: 0;
		overflow: hidden;
		background-color: #87CEEB;
		text-align: center;
		margin: 0;
	}

	li {
		display: inline;
		border-right:1px solid #bbb;
	}

	li:last-child {
		border-right: none;
	}

	li a {
		display: inline;
		background-color: #145ab5;
		color: white;
		text-align: center;
		padding: 20px 20px;
		text-decoration: none;
		font-size: 25px;
		
	}

	li a:hover:not(.active) {
		background-color: #ff751a;
		
	}

	#nav {
		width: 331px;
		margin: auto;
		list-style: none;
		text-align: center;
	}
		#nav li {
			float:left;
			text-align: center;
		}
		#nav a {
			display: block;
			text-align: center;
			width: 125px;
			text-decoration: none;
		}