img{border:solid; border-width:5px; }
Body{color:white; background-image: url("https://codehs.com/uploads/087908d68afb5751cff50317bfd8dc93");}
ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color:black;
  
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}


li a:hover {
  background-color: #111;
}
header{font-style:bold; text-align:center; font-size:35px}
h1{ color:gold; background-image: ;}
p{font-size:25px};

<head>

    <style>
        table {
            border-collapse: collapse;
            width: 100%;
        }
        th, td {
            border: 1px solid black;
            padding: 8px;
            text-align: center;
        }
    </style>
</head>