basic_css

// http://www.w3school.com.cn/css/

// background
background-color: gray;
background-image: url(/i/eg_bg_04.gif);
background-repeat: repeat-y;
background-position: center;
background-attachment:fixed;

// text
color: red;
direction: rtl;
line-height: 90%;
text-indent: 5em;
text-align: center;
text-transform: uppercase;
text-decoration: underline overline;
word-spacing: 30px;
letter-spacing: 20px
white-space: normal;

// font
font-family: sans-serif;
font-size: 1.5em;
font-style: italic;
font-variant: small-caps;
font-weight: bold;

// list
list-style-type: square;
list-style-image : url(xxx.gif);

// box model
padding: 10px 0.25em 2ex 20%;
border-style: solid solid solid none;
border-width: 5px;
border-color: blue rgb(25%,35%,45%) #909090 red;
margin : 10px 0px 15px 5px;

// positioning
position: relative;
position: absolute;
float: left;