Inventory in a browser game

Tell me, please, where can I read how to do this:

image

or submit an answer =)


Answer 1, authority 100%

Header:

<style type="text/css">
P#right {
 text-align: left;
 margin: 0px 0px 0px 0px;
}
#left {
 float: left;
 margin: 0px 0px 0px 0px;
}
#right {
 text-align: right;
 margin: 0px 0px 0px 0px;
}
.inventar {
 background-color: skyblue;
}
table, td, tr {
 border: 1px solid black;
}
</style>

Where to paste:

<div class="inventar">
<p id="right"></p>
<select>
<optgroup label="">
<option></option>
</optgroup> 
</select>
<div id="left">
<table>
<tr>
<td>
-
</td>
<td>
-
</td>
</tr>
<tr>
<td>
-
</td>
<td>
-
</td>
</tr>
</table>
</div>
<div id="right">
<forum action="script">
<input name="whats">
<input type="submit" value="">
</form>
</div>
<a href="#">--</a>
</div>