Css
These tips, which are not visible in CSS manuals or HTML manuals, don't remember being there, but I've been using them. Although the standard checksum, if not the pursuit of standard calibration, still can be used, because in IE and Firefox can be displayed very well.
1, is not often encountered small pictures and lines of text line is awkward?
IMG's align attribute has a such, align= "Absmiddle", you can try, but if the check, will be prompted error.
2. Font
Write a line of mixed content in English, and then use font-family: Arial, font-family:arial,font-family: "Ms Shell Dlg" definition, see the effect.
With "Font-family: Song body" definition: <br><span style= "font-family: Song Body;" >i love for you, my dear mother. </span><br><br> "font-family:arial" Definition: <br><span style= "font-family:arial;" >i love for you, my dear mother. </span><br><br> with "font-family:ms shell dlg" definition: <br><span style= "font-family:ms Shell Dlg;" >i love for you, my dear mother. </span><br><br> What is the difference between these three situations?
[Ctrl + A ALL SELECT hint: You can modify some of the code, and then run]