@charset "UTF-8"; 

body {
  background-color: gray;
}
 
#wrap {
  width: 960px;
  margin: auto;
  background-color: white;
  border:  solid rgb(61, 90, 74);
  
}
 
header   {
  padding: 40px;
  height: 80px;
}
 
nav {
  padding: 8px 40px;
  background-color: rgb(61, 90, 74);
  color: white;
  border-radius: 10px;
}
 
main{
  padding: 40px;
  height : 400px;
}
 
footer   {
  padding: 40px;
  height: 40px;
  background-color : rgb(61, 90, 74);
  color: white;
}
a {
  color: royalblue;
}

a:visited {
  color: rgb(98, 0, 128);
}

a:hover {
  color: orange;
}

table tr:nth-of-type(even) {
  background-color: rgb(172, 247, 219);
}