どうしても覚えられない。

.ao { color: #74a9d6; }
.gray { color: #aaa; }
.red { color: #db7638; }
.pink { color: #eb7988; }

.a { font-size: 95%;
font-family: "Verdana","Lucida Sans Unicode","Arial","Chicago",Osaka,sans-serif; }

.al {
font-family: "Lucida Sans Unicode","Verdana","Arial","Chicago",Osaka,sans-serif;
margin: 0em 0.2em; }

.strong { font-weight: bold; }

.pict { border: 1px solid #aaa; float: left;
margin: 0.1em 0.5em 0.2em 0.3em; }

.icon_waku { border: 1px solid #aaa;
vertical-align: middle;
margin-right: 0.3em; }

.icon_waku0 { border: 0px solid #aaa;
vertical-align: middle;
margin: 0.2em 0.6em 0.2em 0em; }


.icon_waku2 { float: left;
margin: 0.25em 0.5em 0em 0em;
border: 1px solid #aaa; }

.c { clear: left; }
.c_left { clear: left; }

.text_center { text-align: center; }
.text_right { text-align: right; }

.pre { white-space: pre; }

.entry table { padding: 0em 0em;
border: 1px solid #ccc; }

.entry td { padding: 0.3em 0.5em;
border: 1px solid #ccc; }

td,table { border: 1px solid #aaa; padding: 1% 2%; }
.nonborder td,tr,table { border: 0px; vertical-align: middle; }

.waku { border: 2px dotted #ccc;
padding: 0.4em 0.8em;
margin: 0.5em 0em ;
line-height: 200% ;
width: 100% auto;
background-color: #f5f5f5; }

.waku02 { border: 1px solid #ccc;
background-color: #f5f5f5;
padding: 0.3em 1em 0.6em 0.8em;
margin: 1em 0.1em; }

• .check_on
• .check_off

ul.item { display: inline;
font-family: "Lucida Sans Unicode","Verdana","ＭＳ Ｐゴシック","ヒラギノ角ゴ Pro W3","Osaka",sans-serif;
padding: 0em; margin: 0em;
clear: both; }

ul.item img { border: 1px solid #aaa;
vertical-align: middle;
margin-right: 0.3em; }

ul.item li { float: left; width: 14em;
background: none ;
margin: 0px;
padding: 0em 1em 1.8em 1em; }

ul.set li { float: left; width: auto;
background: none ;
margin: 0px;
padding: 0em 0.7em 1.8em 0.6em; }

.set_name { position: relative; top: 0.5em; font-weight: bold; clear: both; }

p.entry_state { font-size: 100%; }