h1 {color: rgb(4, 36, 122);}

h2 {color: rgb(4, 36, 122);}
h3 {color:rgb(4, 36, 122) ;}
body {background-color:rgb(109, 164, 236) ;}
body {margin: 5px;}
header {color: darkblue;
background-color:black;
text-align: center;
font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;}
nav a {color: white;
    background-color: blue;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    text-decoration: none;
    padding: 5px 15px;
    line-height: 3;
}
nav a {color: white;}
div {color: white;}
ul {list-style-type:circle;}
ol {list-style-type:upper-alpha ;}
table, td, th {border: 1px solid rgb(70, 147, 173);
    border-collapse: collapse ;
font-family: Arial, Helvetica, sans-serif;
font-size: 20px;
font-weight: 750;}
 th, td{
    height: 35px;
    width: 7%;
    text-align: center;
 }
th,tr:nth-child(even) {background-color: lightblue;}
body {
    display: grid; grid-template-columns: auto 130px;
}
header { grid-column: 1 / 3 ;
grid-row: 1 / 2;}
  nav { grid-column: 3/ 2 ;
    grid-row: 3 / 2;}
  section { grid-column: 1 / 2 ;
    grid-row: 3 / 2;}
  footer   { grid-colu      mn: 1 / 3 ;
    grid-row: 4 / 3;}
    img {
      width: 150px;
      height: 100px;
      padding: 10px;
      border: 10px white;
      
    }