* {
  box-sizing: border-box;
}
body {
    font-family: Arial, Helvetica;
    margin: 25px;
    padding: 25px;
}
/* Create five equal columns that floats next to each other */
.column {
  float: left;
  width: 20%;
  padding: 10px;
  height: 300px; /* Should be removed. Only for demonstration */
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

h1.palette {
  color: #2E3940;
  font-weight: bold;
}
h2.palette {
  color: #468C32;
  font-weight: bold;
  }
h3.palette {
    color: white;
    font-weight: bold;
    }
/* using white text on dark backgrounds provides high contrast */
p.palette {
  color: white;
}
/* centers the image */
img.center {
  margin-left: auto;
  margin-right: auto;
}
/* image border */
.thick-border {
  border-color: #2E3940;
  border-width: 20px;
  border-style: solid;
  border-radius: 20px;
}