*, *:before, *:after {
  box-sizing: border-box;
}

/* unvisited link */
a:link {
    text-decoration: none;
    color: #d3d3d3;
}

/* visited link */
a:visited {
    text-decoration: none;
    color: #d3d3d3;
}

/* mouse over link */
a:hover {
    text-decoration: none;
    color: #ffffff;
}

/* selected link */
a:active {
    text-decoration: none;
    color: #d3d3d3;
}

body {
    background-color: black;
    color: white;
    font-family: 'Press Start 2P', sans-serif;
    margin: 40px;
    background-image: url("http://ftp.uom.gr/.obsd.jpg");
}
a {
    color: #00ffff;
}
table {
    border-collapse: collapse;
}
th, td {
    padding: 8px;
    border: 1px solid #444;
}
tr.odd {
    background-color: #222;
}
tr.even {
    background-color: #111;
}

h1  {
  margin: 0 0 1em 0;
  font-family: 'Press Start 2P', cursive;
  
}
p   {
    font-family: 'Press Start 2P', sans-serif;
}

h2 {
    font-family: 'Press Start 2P', cursive;
    color: white;
}

.topbar {
    background-color: black;
}

.wrapper {
  max-width: 940px;
  margin: 0 20px;
  display: grid;
  grid-gap: 10px;
  line-height: 1.2;
}

@media screen and (min-width: 500px) {

  /* no grid support? */
  .sidebar {
    font-family: 'Press Start 2P', sans-serif;
    background-color: ;
    float: left;
    width: 19.1489%;
  }

  .content {
    font-family: 'Press Start 2P', sans-serif;
    background-color: ;
    float: right;
    width: 79.7872%;
  }

  .wrapper {
    margin: 0 auto;
    grid-template-columns: 1fr 3fr;
  }
  
  .header, .footer {
    background-color: ;
    grid-column: 1 / -1;
    /* needed for the floated layout */
    clear: both;
  }

}

.wrapper > * {
  
  color: #ededed;
  border-radius: 5px;

}

.footer {
    font-size: small;
    font-family: 'Press Start 2P', cursive;
    color: red;
    
}

/* We need to set the widths used on floated items back to auto, and remove the bottom margin as when we have grid we have gaps. */
@supports (display: grid) {
  .wrapper > * {
    width: auto;
    margin: 0;
  }
}