at the end of the task is less, the manager see me idle, if the feeling is very uncomfortable. Then give me a task: research on ios and android devices supported by various browsers support font. Listen &other; Research &throughout; Two words, my head is big, I a little programmers, and which did not make products of this work. Well, according to his understanding the meaning of come on.
code is as follows:


the font-family: "Comic Sans MS", "end", "black body", sans-serif;

according to the W3C standards, the browser to parse a single line of code at first will find Comic Sans MS fonts in the system, if the system within the font then the browser will use Comic Sans MS font, if not then find end fonts, and so on until the fonts in the system of browser can be expressed.
code is as follows:


<! DOCTYPE html>
<Html>
<Head>
<Meta charset="utf-8" >
<Title> Font
<Meta name="viewport" content="width=device - width and minimum - scale=1.0, the maximum - scale=1.0, the user - scalable=no"/>
<Meta name="author" content="@ my_programmer >"
<Style type="text/CSS" >
reset {/* */*
{padding: 0; Margin: 0; } img {border: 0; } li {list - style: none; }
reset *//*}
div {the font - size: 1.2 em; }
</style>
</head>
<Body>
<Br/>
- web page font is usually divided into five classes -
<Div style="the font-family: sans-serif;" >Hello hello world & Have spent & Have spent Sans-serif (sans serif) </div>
<Div style="the font-family, serif;" >Hello hello world & Have spent & Have spent Serif (serif) </div>
<The font-family: div style="monospace;" >Hello hello world & Have spent & Have spent Monospace (width) </div>
<Div style="the font-family: fantasy;" >Hello hello world & Have spent & Have spent & Have spent & Have spent Fantasy (dream) </div>
<Div style="the font-family: cuisive;" >Hello hello world & Have spent & Have spent Cuisive (CaoTi) </div>
<Br/>
-- sans serif type --
<Div style="the font-family, Helvetica, sans-serif;" >Hello hello world & Have spent & Have spent Helvetica </div>
<Div style="the font-family: Arial, sans-serif;" >Hello hello world & Have spent & Have spent Arial </div>
<Div style="the font-family: 'the Lucida Grande, sans-serif;" >Hello hello world & Have spent & Have spent Lucida Grande </div>
<Div style="the font-family: Verdana, sans-serif;" >Hello hello world & Have spent & Have spent Verdana </div>
<Div style="the font-family: Tahoma, sans-serif;" >Hello hello world & Have spent & Have spent Tahoma </div>
<Div style="the font-family: 'Trebuchet MS, sans-serif;" >Hello hello world & Have spent & Have spent Trebuchet MS </div>
<Br/>
- serif type -
<Div style="the font-family: Georgia, serif;" >Hello hello world & Have spent & Have spent Georgia </div>
<Div style="the font-family: Times, serif;" >Hello hello world & Have spent & Have spent Times </div>
<Br/>
- Chinese fonts -
<Div style="the font-family: tahoma" >Hello hello world & Have spent & Have spent Song typeface </div>
<Div style="of" the font-family: Microsoft jas black >Hello hello world & Have spent & Have spent Microsoft jas black </div>
<The font-family: HuaWenXi div style="black" >Hello hello world & Have spent & Have spent HuaWenXi black </div>
<Div style="the font-family: bold" >Hello hello world & Have spent & Have spent Black </div>
</body>
</html>

in chrome displayed on the results


This concludes the body part