1, css there are four ways to introduce, within the line, embedded, link type, lead-in type. In which the lead-in type, generally do not, because it will be loaded html, then the import will lead to a page without style effect, with priorities Yes. Inline type> Embedded> link type.
Inline style
<span style = " Color: Red; " > inline type </ span> directly written in html tag
Embedded
// writing style tag css style P { Color: Blue; }
Links style
<link the href = " test.css " type = " text / CSS " the rel = " this stylesheet " /> written in the link tag