h1{
	backgroud-color:green;
	color: green;
	padding: 10px;
	margin: 20px;
	font-family: Arial black;
}

nav{overflow:hidden;
         background-color:#FF0000;}
nav a{float: left;
	color: #FFFF00;
	padding: 13px 13px;
	text-decoration: none;
}
p{ background-color:lightpink;}
.column{
	float: left;
	padding: 5%;
} 
.column{
	float: side;
	padding: 5%;
}
.column{
	float: side;
	padding: 5%;
}

table {
  font-family: arial, sans-serif;
  border-collapse: collapse;
  width: 60%;
}

td, th {
  border: 2px solid black;
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {
  background-color: #dddddd;
}                                  tr:nth-child(odd) {
  background-color: #eee;
}