/* articles styles */
ul.a {list-style-type: circle; margin-left: 20px; margin-bottom: 15px;}
ul.b {list-style-type: disc; margin-left: 20px; margin-bottom: 15px;}
ul.c {list-style-type: square; margin-left: 20px; margin-bottom: 15px;}
ol.d {list-style-type: decimal; margin-left: 20px; margin-bottom: 15px;}
ol.e {list-style-type: upper-roman; margin-left: 20px; margin-bottom: 15px;}
ol.f {list-style-type: lower-alpha; margin-left: 20px; margin-bottom: 15px;}