ماذا يفعل هذا الكود

#gfooter
background-image: url(http://i82.servimg.com/u/f82/12/32/05/31/jamal212.jpg);
padding: 50px;
}

ßæÏ PHP:
.red
{

border: 2px solid #FF1515;
cursor: pointer;
font-family:MS Sans Serif; 
font-size:10px; 
vertical-align:middle; 
letter-spacing:0; 
color:#FF1515; 
padding-left:0; 
padding-right:0; 
padding-top:0; 
padding-bottom:0; 
background-color:#FFE3DF;
background-image: url('images/b10c.gif');
text-align:center;
}

body {
margin : 0;
padding : 0;
}
.bodyline{
padding : 0;
right: 0;
}

topiclist dl.icon {
min-height: 60px;
background-position: 2px 50%;
}
* html .topiclist dl.icon {
height: 60px;
}
ul.topics dt,ul.topics dd.dterm {
padding-left: 60px;
}
ul.pmlist dt,ul.pmlist dd.dterm {
padding-left: 60px;
}

button.button2, input.button2 {
font-size : 0.7em;
border-width : 1px
border-color : #fc9f0c;
width : auto !important ;
padding : 2px 2px;
font-family : Verdana, Arial, Helvetica, sans-serif;
color : #001222;
background-repeat : repeat;
background-color : #001222;
background-image : url(http://i82.servimg.com/u/f82/12/32/05/31/bouton10.jpg);
background-position : top;
overflow : visible;
vertical-align : middle;
}
button.button2:hover, input.button2:hover {
border-width : 1px
border-color : #221300;
background-image : url(http://i82.servimg.com/u/f82/12/32/05/31/bouton10.jpg);
background-position : top;
color : #001222;
background-position : 0 100%;
}

/* ÊßãáÉ ÇáßæÏ ÈÑãÌæÉ ÇáÇãá ÇáÞÇÏã */
input.liteoption {
background-image : url(http://i82.servimg.com/u/f82/12/32/05/31/bouton10.jpg);
}

input.mainoption {
background-image: url(http://i82.servimg.com/u/f82/12/32/05/31/bouton10.jpg);

}

#chatbox .user-msg {-webkit-transition:  -webkit-transform .15s linear;
    -webkit-box-shadow: 0 3px 6px rgba(0,0,0,.25);
    -moz-box-shadow: 0 3px 6px rgba(0,0,0,.25);
    padding: 5px 5px 5px 5px;
    -webkit-transform:  rotate( 2deg);
    -moz-transform: rotate( 2deg);
            }
 


    .postbody img {-webkit-transition:  -webkit-transform .15s linear;
    -webkit-box-shadow: 0 3px 6px rgba(0,0,0,.25);
    -moz-box-shadow: 0 3px 6px rgba(0,0,0,.25);
    padding: 5px 5px 5px 5px;
    -webkit-transform:  rotate( 0deg);
    -moz-transform: rotate( 0deg);
    }

    .postbody img:hover {
    -webkit-box-shadow:  0 3px 6px rgba(0,0,0,.5);
    -moz-box-shadow: 0 3px 6px rgba(0,0,0,.5);
    -webkit-transform:  rotate(0deg);
    -moz-transform: rotate(0deg);
    }