Temat: Problem z tłem - CSS

body {
    margin: 0px;
    padding: 0px;
    font-family: Tahoma, Geneva, sans-serif;
     background-image: url(../images/tlo3.JPG);
    background-repeat: no-repeat;
    background-position: center;
}
body {background-attachment:fixed;}
#tresc {
    margin: auto;
    margin-top: 0px;
    margin-bottom:0px;
    padding: 0px;
    width: 950px;
    height: 450px;
    position: top center;
    background-repeat: no-repeat;
}

#gora {
    margin: auto;
    margin-top: 0px;
    margin-bottom:0px;
    padding: 0px;
    width: 950px;
    height: 150px;
    position: top center;
    background-repeat: no-repeat;
}

#stopka {
    margin: auto;
    margin-top: 30px;
    margin-bottom:0px;
    padding: 0px;
    width: 900px;
    height: 50px;
    position: top center;
    background-color: #333333;
    background-repeat: no-repeat;
    border-radius:20px;
    opacity:0.6;
    filter:alpha(opacity=60);
}

#logo {
    margin: 0px;
    margin-top: 0px;
    margin-bottom: 0px;
    padding: 0px;
    width: 350px;
    height: 150px;
 background-image: url(../images/logo.png);
    position: relative;
    left: 0px;
}

#logonapis {
    margin: 0px;
    margin-top: 0px;
    margin-bottom: 0px;
    padding: 0px;
    width: 350px;
    height: 150px;
    position: relative;
    left: 0px;
 background-image: url(../images/napis.png);
    background-repeat:no-repeat;
    color: white;
}

#menu {
    margin: auto;
    margin-top: 5px;
    margin-bottom:0px;
    padding: 0px;
    width: 900px;
    height: 40px;
    position: top center;
    background-color: #696969;
    background-repeat: no-repeat;
    border-radius: 15px;
    position:right;
}




.gora {
    color:white;
}

#tresc2 {
    margin: auto;
    margin-top: 15px;
    margin-bottom:0px;
    padding: 0px;
    width: 900px;
    height: 1000px;
    position: top center;
    background-color: grey;
    background-repeat: no-repeat;
    border-radius: 20px;
    opacity:0.6;
    filter:alpha(opacity=60);
}

.p {
    padding: 15px;
    color: white;
}