a:link{color:blue; text-decoration:none; font-size:23px}
a:visited{text-decoration:none;color:blue; font-size:23px}


table{text-align:center}
td{background-color:#cdcdcd; border-color:#eeeeee}

body{background-color:#cdcdcd; margin:1cm}

p{text-align:justify}

big{font-size:25px; text-align:justify}

bbig{font-size:22px; text-align:justify}


ul{text-align:left}

titl{font-size:20px;font-weight:bold}
speaker{font-size:20px;color:brown;font-weight:bold}
abstract{font-size:18px}