* { box-sizing: border-box; }

body {
  margin: 1em auto;
  padding: 0 1em;
  line-height: 1.5;
}

img { max-width: 100%; height: auto; }

h1 {
  font-family: "Arial Black", Arial, Helvetica, sans-serif;
  font-size: x-large;
  color: navy;
  margin: 0 0 0.5em 0;
  font-weight: normal;
}

.breadcrumb { font-size: x-small; }

tbody tr:nth-child(even) { background: #99FFFF; }

table { border-collapse: collapse; }
th, td { padding: 0.1em 0.2em }