Describe the abbreviation of the margin attribute in css, and describe the abbreviation of cssmargin.
<Html> <body> <div style = "border: 1px solid red;"> <div style = "border: 1px solid blue; margin: 20px;"> margin: 20px; (20 PX for top, bottom, left, and right .) </Div> <div style = "border: 1px solid red;"> <div style = "border: 1px solid blue; margin: 20px 40px; "> margin: 20px 40px; (upper and lower 20px; left and right 40px .) </Div> <div style = "border: 1px solid red;"> <div style = "border: 1px solid blue; margin: 20px 40px 60px; "> margin: 20px 40px 60px; (upper 20px; left and right 40px; lower 60px .) </Div> <div style = "border: 1px solid red;"> <div style = "border: 1px solid blue; margin: 20px 40px 60px 80px; "> margin: 20px 40px 60px 80px; (upper 20px; right 40px; lower 60px; left 80px .) </Div> <p> using margin in css, You Can abbreviated margin-top, margin-right, margin-bottom, and margin-left as a tag, the sequence is <span style = "color: # ff0000"> <strong> top right bottom left </strong> </span> (clockwise ). </P> <p> the margin tag can contain one, two, three, and four parameters with different meanings. http://www.100sucai.com </p> </body>