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Witam, zakodowałem stronę i mam z nią pewien problem pod firefoxem, pod chrome konczy się normalnie na stopce, a pod firefoxem pod stopką jest jeszcze czarne puste tło, jak to naprawić?
To jest kod css

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/*TABELA_LOGOWANIE*/
 
body
{
	background-color:  #0b0b0b;
}
.all 
{
	width: 1200px;
	height: 1000px;
	background-color: silver;
	margin: 0 auto;
	padding: 0px;
}
.logowanie
{
	width:1200px;
	height: 42px; 
	background-color: white;
	margin: auto;
	padding: 0px;
	position: fixed;
	z-index: 20;
}
 
/*MENU*/
.menu_border
{
	width:828px;
	height: 99px;
	background-color: white;
	position: relative;
	top: 150px;
	margin: auto;
	z-index:15;
}
.menu_background
{ 
	width:787px;
	height:57px;
	background-color: yellow;
	position:relative;
	top:13px;
	left: 16px;
	z-index:10;
 
}
/*NAJBLIZSZE MECZE */
.najblizsze_mecze_napis
{
	width:192px;
	height: 104px;
	background-color: white;
	position: relative;
	left: -3px;
	top: 150px;
}
.najblizsze_mecze_napis_bg
{
	width:156px;
	height: 61px;
	background-color: yellow;
	position: relative;
	left: 17px;
	top: 15px;
}
 
.najblizsze_mecze
{
	width:190px;
	height:533px;
	background-color: white;
	position: relative;
	left: -3px;
	top: -485px;
}
.najblizsze_mecze_bg
{
	width:156px;
	height:493px;
	background-color: yellow;
	position: relative;
	left: 17px;
	top: 13px;
}
 
/*NEWSY*/
.newsy_border
{
	width: 828px;
	height: 630px;
	background-color: brown;
	position: relative;
	top: 47px;
	left: 187px;
 
}
.newsy_bg
{
	width: 786px;
	height: 588px;
	background-color: grey;
	position: relative;
	top: 13px;
	left: 17px;
 
}
 
/*SPONSORZY*/
.sponsorzy_border_napis
{
	width:191px;
	height:104px;
	background-color: white;
	position: relative;
	top: -1116px;
	left: 1008px;
}
.sponsorzy_napis_bg
{
	width:156px;
	height:62px;
	background-color: yellow;
	position: relative;
	top: 14px;
	left: 17px;
}
.sponsorzy
{
	width:191px;
	height:230px;
	background-color: white;
	position: relative;
	top: -1120px;
	left: 1009px;
}
.sponsorzy_bg
{
	width:157px;
	height:190px;
	background-color: yellow;
	position: relative;
	top: 13px;
	left: 17px;
}
 
/*STOPKA*/
.stopka
{
	width:829px;
	height:80px;
	background-color: white;
	position: relative;
	top: -771px;
	left: 187px;
}
.stopka_bg
{
	width:787px;
	height:60px;
	background-color: yellow;
	position: relative;
	top: 14px;
	left: 17px;
}
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