body {
  color: black;
  background: white;
  padding: 0 1.5em;
}

body>p { text-indent: 2em; text-align: justify; }

img.right {
  float: right;
  clear: both;
  margin: 0 0 0 0.5em;
}
img.left {
  float: left;
  clear: both;
  margin: 0 0.5em 0 0;
}

div, hr, .clear { clear: both; }

hr { 
  width: 75%;
  margin: 2ex auto;
  border: none;
}
hr.heavy { border: thin solid gray; background: black; height: 3px;}

h1 { text-align: center; } 
h1, h2 { text-decoration: underline; }

div.figure   { text-align: center; }
div.figure p { margin: 0 0 1ex; text-decoration: underline; }

table { 
  margin-left: 4em;
  border-spacing: 1em 0.2ex;
}
th { text-decoration: underline; }
td { text-align: center; }


div.attributing {
  border: medium double black;
  width: 70%;
  margin: 1ex auto;
  padding: 0.2ex 1em;
  text-align: center;
}

div.footer {
  background: #def;
  color: black;
  margin: 2ex 0 0;
  padding: 0.5ex 0.5em;
  text-align: center;
  font-style: oblique;
}

.footer img {
  border: 0;
  width: 88px;
  height: 31px;
  float: right;
  margin: 0;
}
#validcss { margin-left: 0.5em; }