H1.clry {color: #FFCC00}
H1.ex1 {text-align: center; color: #FFCC00}
H1.pg1c {text-align: center}
H1.ai1c {text-align: center; color: Silver}
H1.p404 {text-align: center}
H2 {color: #CCCC66}
A.a404 {text-decoration-line: none}
ol.l1 {list-style-type: upper-roman}
ol.l2 {list-style-type: upper-alpha}
ol.l3 {list-style-type: lower-roman}
ol.l4 {list-style-type: lower-alpha}

.tooltip {
	  position: relative;
  }

  .tooltip .tooltiptext {
	    visibility: hidden;
	      color: #000;

      }

      .tooltip:hover .tooltiptext {
	        visibility: visible;
		width: 300px;
		  position: absolute;
		    bottom: 100%;
		      left: 1%;
		}