.cov{
text-align: center;
margin-top: 0em;
margin-bottom: 0em;
}


a   {
text-decoration: none;
}

.break {
page-break-before: always;
}

.copy  {
display: block;
text-align: center;
font-size: x-small;
margin-top: 1em;
margin-bottom: 0em;
}

.toc-ttl  {
display: block;
font-size: large;
text-indent: 0em;
text-align: left;
margin-left: 0em;
margin-top: 1em;
margin-bottom: 2em;
font-weight: bold;
}

.toc {
display: block;
font-size: medium;
text-align: left;
text-indent: 0em;
margin-left: 0em;
margin-top: 0.5em;
margin-bottom: 0em;
font-weight: normal;
}

.chap {
display: block;
font-size: large;
text-align: center;
margin-top: 1.5em;
margin-bottom: 3em;
margin-left: 0em;
font-weight:normal;
}

.h1  {
font-size: medium;
text-align: left;
text-indent: -3.5em;
margin-left: 3.5em;
margin-top: 1.5em;
margin-bottom: 1.5em;
font-weight: bold;
}

.tx  {
display: block;
font-size: small;
text-align: justify;
text-indent: 1.5em;
margin-top: 0em;
margin-bottom: 0em;
}

.txl  {
display: block;
font-size: x-small;
text-align: left;
text-indent: 1.5em;
margin-left: 1.5em;
margin-top: 0em;
margin-bottom: 0em;
color: red;
}

.tx1{
display: block;
font-size: small;
text-align: justify;
text-indent: 0em;
margin-left: 0em;
margin-top: 0em;
margin-bottom: 0em;
}

.tx1s{
display: block;
font-size: small;
text-align: justify;
text-indent: 0em;
margin-left: 1.5em;
margin-top: 0em;
margin-bottom: 0em;
}

.tx1h  {
display: block;
font-size: x-small;
text-align: left;
text-indent: -1.7em;
margin-left: 1.7em;
margin-top: 0em;
margin-bottom: 0em;
}

.ser  {
display: block;
text-align: center;
font-size: small;
margin-top: 1em;
margin-left: 0em;
margin-bottom: 1em;
}

.center  {
display: block;
text-align: center;
font-size: small;
margin-top: 1em;
margin-bottom: 1em;
}