Div questions, help please Options

[Bit me]

This is my 1st time making div so I have alot of confusion and alot of questions i need help with, so hope you guys can help me! =] and I thinkthis also can call div's accessory

1st.
When i used the code like in the tutorial hide my profile it still show the little bars, if it used color background like this pic u can see the bar CLICK HEREhow can i hide those little bar..?


2nd.
What code can i use to show like this following pic..?CLICK and this CLICKand thisCLICK

3rd. CODES FOR comment box like this PLEASE..?CLICK

4th. HOW come this croll box below when i use it for one croll box it work, but when i add ananother code like what the other one dissapear..>_<

CODE

<style type="text/css">
div.aboutme {
position: absolute;
overflow: auto;
margin-left: -240px;
margin-top: 128px;
width: 620px;
height: 280px;
color: E26291;E26291;
font-family: arial;
font-size: 11pt;
z-index:5;
}
</style>

<div class="aboutme">
GAGGGDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
DDDDDDDDDDDDDDDDDDDDDDDDDDD
</div>