* {
  box-sizing: border-box;
  background-color: black;
}

/* Style the header */
.header {
  background-color: black;
  padding: 15px;
  text-align: center;
  font-size: 15px;
  color:white;
}

/* Create three unequal columns that floats next to each other */
.column {
  float: left;
  padding: 10px;
  height: 300px; /* Should be removed. Only for demonstration */
}

.body {
  font-family: Arial, Helvetica, sans-serif;
  color:white;
  text-align:center;
  max-width:1000px;
}

/* Style the footer */
.footer {
  background-color: black;
  padding: 10px;
  text-align: center;
  color:white;
}

/* Responsive layout - makes the three columns stack on top of each other instead of next to each other */
@media (max-width: 600px) {
  .column.side, .column.middle {
    width: 100%;
  }
}