h1 {color:#ff0000;}
h2 {margin-left:2%;border-style:solid;border-color:#ff0088;padding:3mm;background-color:#aaaaff;}
h2.ex{margin-left:2%;border-style:solid;border-color:#000000;padding:3mm;background-color:#ffaa77;}
h3 {margin-left:3%;border-style:solid;border-color:#0088ff;padding:2mm;background-color:#aaffaa;}
h4 {margin-left:4%;padding:1mm;background-color:#aaffff;}
h5 {margin-left:4.5%;padding:1mm;background-color:#ffffaa;}
h6 {margin-left:5%;padding:1mm;background-color:#ffaaaa;}

h1 + div {margin-left:1%;}
h2 +  div {margin-left:3%;}
h3 +  div {margin-left:4%;}
h4 +  div {margin-left:5%;}
h5 +  div {margin-left:5.5%;}
h5 +  div {margin-left:6%;}

.refer {margin:1cm 2cm;padding:.5cm;background-color:#ff9999;}
.attent {margin:0.5cm 0.5cm 0.5cm 2cm;padding:5mm;background-color:#dddddd;}
.box {border-style:solid;border-color:#ff00ff;}
.box2  {margin:0 4%;border-style:solid;border-color:#ff00ff;}

.op {color:#4444ff;}
.em {color:#ff0044;}
.cf {color:#aa00cc;}

.center {text-align:center;}

img.left {margin:1px 1cm 15px 5px;float:left;}
.fleft {margin:1px 1cm 15px 5px;float:left;}
.fright {margin:1px 1cm 15px 5px;float:right;}
.cla {clear:both;}

.normal {background-color:#ffffff;color:#000000;border-style:none;margin-left:0cm;padding:0cm;}