/* 
 * This centres the text body,
 * prevents it from being too wide on large screens,
 * ensures there is a bit of a space on the boundary when the screen is small
 * and finally sets a new font (rather than the usual default Times New Roman). 
 * The min-width: 0 is useful to prevent large elements from (accidentally) making
 * the page very wide on screens narrower than 700 pixels.
 */
body {
  margin: 0 auto;
  max-width: 700px;
  min-width: 0;
  padding: 0 10px 25px;
  font-family: "Helvetica", "Arial", sans-serif;
  # background-color: #c0ffee;
}

/* adjust the spacing so that the text is laid out a bit */
h2 {
  margin-top: 1em;
  padding-top: 1em;
}
nav a {
  margin-left: 20px;
}

/* colour of the text */
body {
  color: #444;
}
h1, h2, strong {
  color: #222;
}

/* touch up the font sizes */
header {
  margin: 0px;
  font-size: 23px;
}
article {
  font-size: 16px;
}
nav {
  font-size: 18px;
  letter-spacing: 1px;
}
h1 {
  font-size: 26px;
}
h2 {
  font-size: 23px;
}

/* styling the links */
a {
  color: #ffa64d;
}


body {
  display: grid; /* specifying a grid layout for its children. */
  row-gap: 5px; /* some space between the rows */
  grid-template-columns: auto auto; /* two columns, and determine their widths automatically */
  grid-template-rows: 60px auto; /* two rows, first contains header and nav, height 60 pixels, second automatic size based on content */
  grid-template-areas:
    "header nav"
    "ct ct"
    /*
     * this bit assigsn names to the areas.
     * We have header in the top left, nav in the top right,
     * and ct everywhere else (spanning both columns).
     * Note that the names can be whatever you would like
     * (there is no special meaning assigned to using header and nav).
     */
}

header {
  grid-area: header;
  justify-self: left;
  align-self: end; /* within the grid row, be placed as late as possible (bottom) */
}
nav {
  grid-area: nav;
  justify-self: right;
  align-self: end;
}
nav a {
  text-align: right;
}
article {
  grid-area: ct;
  border-top: 2px solid gray; /* add a border above the <article> element */
}

/* when the screen is narrower than 430px eg on a phone ... */
@media screen and (max-width: 430px) {
  body {
    grid-template-columns: auto;
    /* ... set the first row to be at least 40 pixels tall, and so on ... */
    grid-template-rows: minmax(40px, auto) minmax(30px, auto) auto auto; 
    /* ... place the header on top of the navigation bar by changing the grid layout in the body ... */
    grid-template-areas:
    "header"
    "nav"
    "ct"
  }
  header, nav {
    /* ... centre the header and navigation bar ... */
    text-align: center;
    justify-self: center;
  }
  nav a {
    /* ... and remove the asymmetric styling on the navigation links */
    margin: 0 10px;
  }
}