body{
  margin-left: 10%;
  margin-right: 10%;
  margin-top: 1cm;
  margin-bottom: 1cm;
  padding-left: 0;
  padding-right: 0;
  background-color: #fff;
  color: #000;
  font-size: medium;
  font-weight: normal;
  font-family: serif;
  font-style: normal;
  font-variant: normal;
  line-height: 125%;
}


p{
  padding-bottom: 2ex;
  font-family: 'Times New Roman', serif;
  text-align: justify;
}

p.header{
  font-family: 'Times New Roman', serif;
  text-align: justify;
  line-height: 120%;
  font-size: small;
  font-weight: normal;
  font-family: normal;
  font-style: italic;
  font-variant: normal;
  padding-top: 2ex;
  padding-bottom: 2ex;
  border-top: thin black groove;
  border-bottom: thin black groove;
}

p.attribution{
  font-family: 'Times New Roman', serif;
  text-align: center;
  line-height: 120%;
  font-size: small;
  font-weight: normal;
  font-family: normal;
  font-style: italic;
  font-variant: normal;
  visibility: normal;
}

.tip{
  color: #c00;
}

p.dispeq{
  text-align: center;
}

.student{
  color: #00c;
}

.ta{
  color: #090;
}


h1{
  font-family: serif;
  font-style: normal;
  font-variant: normal;
  font-weight: bold;
  font-size: xx-large;
  text-align: center;
  line-height: 120%;
}

h2{
  font-family: serif;
  font-style: normal;
  font-variant: normal;
  font-weight: bold;
  font-size: x-large;
  text-align: center;
}

h3{
  font-family: serif;
  font-style: normal;
  font-variant: small-caps;
  font-weight: bold;
  font-size: large;
  text-align: center;
}

span.topic{
  font-family: serif;
  font-style: normal;
  font-variant: small-caps;
  font-weight: bold;
  font-size: large;
}

span.grade{
  font-family: serif;
  font-style: normal;
  font-variant: normal;
  font-weight: bold;
  font-size: large;
  color: #c00;
}

a.return{
  font-family: serif;
  font-style: italic;
  font-variant: normal;
  font-weight: normal;
  font-size: large;
}

th{
  text-align: left;
}

td{
  text-align: left;
}