Explorer vs Firefox - Problem with Form Heade

[Catzenjaeger]

Hello,

i think there is a problem in the Internet Explorer.
plz look on this picture:

http://www.unrealbase.de/images/firevxexplorer.jpg

have anyone a idea what i have to do to fix it?

here my css - thanx and greetings :)

body
{
    text-align: center;
    margin: 20px;        /* shift whole page down by 25 pixels */
    background-color: #40599b ;
}

#mainForm
{
    position: relative;
    border: 1px;
    border-style: solid;
    margin: 0 auto;
    text-align: left;
    width: 70%;
    background-color: #ffffff;
}

ul.mainForm
{
    list-style-type: none;
    font-family: Tahoma, Arial, Verdana, sans-serif;
    font-size:15px;   
}

li.mainForm
{
    padding-bottom: 10px;
}

#mainFormError
{
    position: relative;
    border: 1px;
    border-style: solid;
    margin: 0 auto;
    text-align: left;
    width: 70%;
}

input.mainFormError
{
    background-color: #FADADD;
}

textarea.mainFormError
{
    background-color: #FADADD;
}

select.mainFormError
{
    background-color: #FADADD;
}

#formHeader
{
    position: relative;
    width: 100%;
    background-color: #ebca1d;
    margin:0 0 0 0;
    padding-bottom: 10px;
}

p.formHeader
{
    text-align: right;
    margin:0 0 0 0;
    font-family: Tahoma, Arial, Verdana, sans-serif;
    font-weight:normal;
    color: #ffffff;
    font-size:25px;
    position:relative;
    left:-5px;
    top:4px;
    letter-spacing: 2px;
}

#formInfo
{
    position: relative;
    width: 100%;
    background-color: #ffffff;
    margin:0 0 0 0;
}

h2.formInfo
{
    text-align: left;
    margin:0 0 0 0;
    font-family: Tahoma, Arial, Verdana, sans-serif;
    font-weight:normal;
    font-size:20px;
    position:relative;
    left:20px;
    top:0px;
    letter-spacing: 1px;
    line-height:150%;
    color: #ffffff;
}

p.formInfo
{
    text-align: left;
    margin:0 0 0 0;
    font-family: Tahoma, Arial, Verdana, sans-serif;
    font-weight:normal;
    color: #000000;
    font-size:12px;
    position:relative;
    left:20px;
    top:0px;
    color: #ffffff;
}
#formFields
{
    position: relative;
    width: 100%;
    background-color: #ffffff;
    margin:0 0 0 0;

}
label.formFieldQuestion
{
  clear: both;
  float:left;
  width: 160px; // breite vom Namensfeld bis zur Box
  padding: 10px 0 2px 0;
  text-align: left;

}
label.formFieldOption
{
    font-size:90%;
    display:block;
    line-height:1.0em;
    margin:-19px 0 0 25px;
    padding:4px 0 5px 0;
    width:90%;
}
input.formFieldStyle
{
    display:block;
    line-height:1.4em;
    margin:8px 0 0 3px;
    width:13px;
    height:13px;
}

/* tooltip */
a.info {
    font-family: Tahoma, Arial, Sans-Serif;
    text-decoration:none;
    position: relative;
}

a.info span {
    position: relative;
    display:none;
}

a.info:hover {
    position: relative;
    cursor:default;
}

a.info:hover .infobox {
    font-weight: normal;
    display:block;
    position:absolute;
    top:20px;;
    left:25px;
    width:205px;
    height:70px;
    border: 1px solid #ccc;
    background:#f4f4f4 url(question.gif) no-repeat bottom right;
    color:#000;
    text-align:left;
    font-size:0.7em;
    padding-left:10px;
    padding-top:10px;
}

/* pop-up calendar */
button.calendarStyle
{
    background-color: transparent;
    border: 0;
    height:22px;
    width:22px;
    background-image:url(imgs/calendar.png);
    cursor: pointer;
    cursor: hand;
}

p.footer
{
    text-align: right;
    margin:0 0 0 0;
    font-family: Tahoma, Arial, Verdana, sans-serif;
    font-weight:normal;
    color: #ffffff;
    font-size:9px;
    position:relative;
    top:4px;
    left:-140px;
    letter-spacing: 2px;
}

a.footer
{
    text-align: right;
    margin:0 0 0 0;
    font-family: Tahoma, Arial, Verdana, sans-serif;
    font-weight:normal;
    color: #ffffff;
    font-size:9px;
    position:relative;
    top:4px;
    letter-spacing: 2px;
}

[Aaron Hardy]

Please post the link.

[Catzenjaeger]

sorry i cant post as link well this site is on a secured site. but i found an interssting link

The IE5/6 Doubled Float-Margin Bug  --> http://www.positioniseverything.net/explorer/doubled-margin.html

and here: http://forum.de.selfhtml.org/archiv/2009/2/t182864/

but what can i do? my form lloks now in IE really ugly -- see pic