.lecturenotes         { font-size: 1px; color: #FFFFFF; line-height: 1px; height: 0px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px; visibility: hidden; top: 0px; clip:  rect(0px  0px )}
.lecturenotescopy { font-size: 1px; color: #FFFFFF; line-height: 1px; padding-top: 0px; margin-top: 0px; margin-bottom: 0px; padding-bottom: 0px; visibility: hidden}
.testcopy         { font-size: 0px; color: #FFFFFF; line-height: 0px; height: 0px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px; visibility: hidden; top: 0px; clip:  rect(0px  0px )}
.javacode {  font-family: "Courier New", Courier, mono; }
.javacodeNew { font-family: "Courier New", Courier, mono;  font-weight: bold }
.indice {  vertical-align: sub}
.math { color: #000033; background-color: #FFFF99; font-family: "Courier New", Courier, mono; text-align: center}
.slidesep {  font-size: x-small; text-decoration: underline; background-color: #FFFF66; text-align: right; border-bottom-width: thin}
h1 {  font-size: large; text-align: center}
h2 {  font-size: medium}
h3 {  font-size: small}
h4 {  font-size: x-small}