1. radio button
<input type="radio" name="xb" id="nan" checked="checked"/> <label for="nan">男</label>
Note: Add the name attribute to achieve the effect of radio
M is selected from the tag label added to achieve a radio effect can be achieved, provided that the same radio button id attribute value of the attribute for the corresponding
Set the default selected, give the radio button to add a checked = "checked" attribute
2. The drop-down menu
<select name="">
<Optgroup label = "Heshan">
<Option> Shaping </ option>
<option selected="selected">古劳</option>
</optgroup>
</select>
selected = "selected" state is selected by default
3. Text Field
<textarea width='' " height=" " placeholder=""></textarea >
Note cols rows can not be used to set the width and height, use the width, height set placeholder text set reminders
4. checkbox
<input type="checkbox">
Setting consistent with single-box
5. Button
<Input type = "reset"> reset button
<Input type = "sumbit"> submit button
Set the autofocus = "autofocus" setting the first text box, checked by default
6.css basic grammar
Placed between the head tags
<style type="text/css">
Tag selector p {Text-indent: 2em;}
id selector #id name
.Class class selector names (often, can be reused, and may be added more than one style)
Right selector weight selector id> class selector> tag selector
</style>
<Div> </ div> large container (which can be displayed on one line)
<Span> </ span> small container (can be displayed on one line)
7.css manner of introduction
Embedded electricity supplier must Home
Use outer chain <link /> (tag) to achieve code-
Inline style