frage an erfahrene webdesigner

#headerbild{
       width: 1190px;
       height: 105px;
       border-radius:6px;
       margin: 0 auto;






}
#back{
    float: right;
    width: 346px;
    height: 1100px ;


}
#header{
    background-image: url(image/bg_list.gif) ;
    border-radius:5px;
    height: 110px;


}
#links{
    background-color: #000000;
    color: #FFFFFF;
   float: left;
    width: 346px;
    height: 1100px;


}




#background{
     height: auto;
      background-color: #4A4A4A;


}


#seitenformat{
    width: 1200px;
    margin: 0 auto;
}


#nav{
    width: 170px;
     float: left;


}


#nav ul{
    list-style: none;


}




#nav li{


    width: 150px;
    text-align: left;
    font-family: fantasy;
    font-size: small;
    font-style: italic;
    background-image: url(image/bg_menu.gif);
    padding-top: 10px;
    padding-left: 10px;
    margin-right: 10px;
    margin-bottom: 5px;
    padding-bottom: 8px;
    margin-left: -40px;
    border-left: 25px orange solid;
    border-radius:8px;


}


   /*Span-Elemente*/
#nav span {
border-color: transparent #aaa transparent transparent; /*Dreieckfarbe */
border-style:solid; /*Randstyle*/
border-width:7px; /*Dreiecksgrösse*/
width:0; /*Breite (muss 0 sein)*/
height:0; /* Höhe (muss 0 sein*/
display:inline-block; /* Anzeigeart */
float:right; /* rechtsbündig */
margin-right:7px; /* Rand rechts */
position:relative; /* Positionierung */
transition:all 0.5s; /* Transition */
-moz-transition:all 0.5s;
-o-transition:all 0.5s;
-webkit-transition:all 0.5s;
}
/*Span im Hoverzustand */
#nav a:hover span {
border-color: transparent #fff transparent transparent ; /* Dreieckfarbe */
transform:rotate(180deg); /* Rotation 180° */
-moz-transform:rotate(180deg);
-webkit-transform:rotate(180deg);
}
  /* Links Submenu */
#nav ul ul li a {
color:#476EA8; /* Schriftfarbe */
font-size:15px; /* Schriftgrösse */
}
/* Links Submenu Hoverzustand */
#nav ul ul li a:hover {
color:#153363; /*Schriftfarbe */
letter-spacing: 1px; /*Buchstabenabstand*/
background: #F0F4FA; /*Hintergrundfarbe */
}
 #nav ul ul li {
width:170px; /* Breite */
background:#DCE1E8; /*Hintergrundfarbe*/
border:1px solid #D5D7DB; /*Rand*/
border-top:0; /*Rand oben*/
}
/*Verhalten der Unterlisten bei Hover */
#nav ul li:hover ul {
display:block; /* Blockanzeige der Unterlisten */
}
/*Submenulisten*/
#nav ul ul {
 margin-left:-20px;
position:absolute; /* Absolute Positionierung */
left:180px; /*Abstand Links (breite des Hauptmenüs) */
top:0; /*Abstand oben */
border-top:1px solid #e9e9e9; /* oberer Rand */
display:none; /* Keine Anzeige, wenn li nicht gehovert */
}
 /* Links Hoverzustand */
#nav a:hover {
    background: RGBA(255,255,255,0.05); /* Hintergrundfarbe */
    color:#153363; /* Schrifrfarbe */
    font-style: italic;  /* Kursiv */
}
#nav a {
    color:#476EA8; /* Schriftfarbe */
    display:block; /* Block-Anzeige, jedes Element neue Zeile */
    text-decoration:none; /*keine Unterstreichung*/
    transition:1s; /* Fliessende Bewegung */
    -moz-transition:1s;
    -webkit-transition:1s;
    -o-transition:1s;
    font-family:Playfair Display; /* Schriftart */
    font-weight: bold; /* Fett */
    font-size:16px; /* Schriftgrösse */
    padding-left:10px; /* Abstand links */
}
  #nav ul li {
    position:relative; /*relative Positionierung der
                        Listenpunkte, damit Unterpunkte
                        absolut positioniert werden können.*/
}








#inhaltmitte{
        color: #FF0000;
        margin-bottom: 20px;
      text-align: center;




}


#h{
    color: #FF0000;


}




#inhalt{
    margin-top: 20px;
    text-align: center;


    width: 850px;
    height: 100%;
    margin-left: 200px;
    padding-top: 0px;
    color: #FFFFFF;
    font-style: italic;
    font-family: monospace;
    background-color: #575757;
    border-radius:8px;
    border: 2px #0D97DC solid;


}




.span{
    color: #FF0000;
}


#liste{
    color: #CCCCCC;
    font-size: large;
    font-family: Verdana;
    font-style: italic;
}


#punkte{
    text-align: center;
      margin: 0 auto;
}


#sign{
   height: 100px;
   width: 100px;
   margin-top: -120px;
   margin-right: 50px;
}




#fusszeile{
    z-index: 1;
    text-align: center;
    color: #FF0000;
    background-color: #000000;
    border-radius:5px;
}