body{color: #007EBB}
.cen{text-align: center; font-size: 20px;}
.cen a{text-decoration: none;}
.cen a:hover{text-decoration: underline; color: #2410DC;}
.closed{background:url('./closed.png') 0px 2px no-repeat;}
.clicked{background: url('./clicked.png') 0px 5px no-repeat;}
.expand{cursor:pointer;padding-left:20px;}
.expand:hover{text-decoration: underline;color: #B062FF;}
ul li:nth-child(even) a{color: #6FA240;}
ul li:nth-child(odd) a{color: #776339;}
ul li:nth-child(even) .no{color: #928791;}
ul li:nth-child(odd) .no{color: #00F0F0;}
.tal{text-align: left;}
.ml5p{margin-left: 5px;}
.hide{display: none;}
.all{background-image: url('./closed.png'); background-repeat: no-repeat; background-position: 0px 2px; padding-left: 20px;}