body {
    display: grid;
    grid-template-columns: 150px auto;
    grid-template-rows: 75px auto 25px;
  }

.navul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
  }
  
.navli {
    float: left;
  }
  
.navli a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }
  
  /* Change the link color to #111 (black) on hover */
.navli a:hover {
    background-color: #111;
  }

.navbutton {
    background-color: gray;
  }

li {
    text-decoration: none;
}

a {
    text-decoration-color: green;
    color: red;
}

section, main {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
  }

nav {
    grid-column: 1 / 2;
    grid-row: 2-3;
}

header {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
}

footer {
    grid-column: 1 / 3;
    grid-row: 3-4;
}

table {
    border-collapse: collapse;
}
table, th, td {
    border: 1px solid black;
}

td {
    width: 8;
    text-align: center;
}
th, tr:nth-child(odd)
{
    background-color: #DDDDDD;
}