@media (min-width: 768px) {
  html {
    font-size: 125%;
    max-width: 1024px;
    max-height: 1024px;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  font: 100%/1.5 sans-serif;
  word-wrap: break-word;
  margin: auto;
  padding: 1.5em;
}

h1, h2, h3, h4 {margin: 2.5rem 0 1.5rem 0;
    line-height: 1.25;
    color: #333;}

a {color: #fa6432;
    text-decoration: none;}
a:hover, a:focus, a:active {text-decoration: underline;}

p {margin: 1em 0;
    line-height: 1.5;}
p code {background-color: #eee;
    padding: 0.05em 0.2em;
    border: 1px solid #ccc;}

ol, ul {margin: 1em;}
ol li ol, ol li ul, ul li ol, ul li ul {margin: 0 2em;}
ol li p, ul li p {margin: 0;}

dl {font-family: monospace, monospace;}
dl dt {font-weight: bold;}
dl dd {margin: -1em 0 1em 1em;}

content {
  display: flex;
  flex-grow: 1;
  justify-content: center;
  align-items: center;
}

content img {
  display: block;
  max-width: 256px;
}

content li > div {
  display: inline-block;
  text-align: center;
  vertical-align: middle;
  min-height:4.5em;
  border: 1px solid lavender;
  margin: 3px;
  padding: 3px 1ex;
}

div.oc {display: table; height: 4.5em;}
div.ic {display: table-cell; vertical-align: middle;}

footer img {max-height: 2em; vertical-align: middle;}

body {
  display: flex;
  height: 100%;
  flex-direction: column;
}

header h1 {
  margin: auto;
  text-align: center;
}

header img {max-height: 1.3em;
  padding-top: 0.22em;
  padding-right: 0.7ex;
  vertical-align: middle;
}

/* ul {list-style-type: none;} */
 /* Style to create a horizontal list */ 
ul.horizontal-list {
  width: 100%;
  list-style-type: none; 
  margin: 0; 
  padding: 0; 
  /* display: flex; */
  /* flex-direction: row; */
  justify-content: space-around;
} 
  
ul.horizontal-list li { 
  margin-right: 10px; 
  display: inline-block;
} 

footer {
  margin: auto;
}