Comparison of css width and height in different browsers

<Style type = "text/css tutorial">
# Container {
/* Left reference line */
Border-left: 1px solid # b23aee;
             }
/* Define the public attributes of each layer */
# Div1, # div2, # div3, # div4 {
Width: 200px;
Height: 50px;
Background: # ffe1ff;
Margin-bottom: 5px;
             }
/* Only width */
# Div1 {
             }
/* Add border */
# Div2 {
Border-left: 10px solid red;
             }
/* Add border and padding */
# Div3 {
Border-left: 10px solid red;
Padding-left: 50px;
             }
/* Add border, padding, and margin */
# Div4 {
Border-left: 10px solid red;
Padding-left: 50px;
Margin-left: 50px;
             }
</Style>