/* CSS Document */
h1{
text-align: center;
color: red
font-family: Calibri, Arial, sans-serif
font-size: large;}

h2{
text-align: center;
color: red
font-family: Calibri, Arial, sans-serif
font-size: large;}

h3{
text-align: center;
color: red
font-family: Calibri, Arial, sans-serif
font-size: large;}

h4{
text-align: center;
color: red
font-family: Calibri, Arial, sans-serif
font-size: large;}

body {
display: grid;
grid-template-columns: auto 100px;
grid-template-rows: 150px auto 25px;
}

header {
grid-column: 1 / 3; 
}

nav {
grid-column: 2 / 3;
grid-row: 2 / 4;
border: 1px solid red;
}

section