Min css kode

Hej eksperter, er der noget galt med min css kode, som jeg burde ændre?

body {
margin: 0;
padding: 0;
font-family: Helvetica,sans-serif;
background: #485567 url(/assets/background.png) repeat-x;
}

img {
  border-width: 0;
}

a {
color:#a7b3bf;
text-decoration: none;
font-weight: bold;
}

#header {
height:133px;
margin-top:15px;
background: url(/assets/banner.png) repeat-x;

}

#logo_text {
display:block;
margin: 0 auto;
padding-top:17px;
}


#background_buildings {
height: 434px;
background: url(/assets/background_buildings.png) repeat-x;
background-position: 0 -110px;
}

#content {
width:100%;
margin:0 auto;
position:absolute;

}

/* LOGIN SECTION */

#login_section {
width: 511px;
height: 322px;
display:block;
margin: 0 auto;
background: url(/assets/login_section.png);
}


#login_section .fields {
width:299px;
float:right;
position:relative;
right:50px;
top:115px;
}

#login_section .forgot_password{
float:left;
position:relative;
top:280px;
left:30px;
}

#login_section .actions {
float:right;
margin-top:35px;
}

#login_section input[type=text], input[type=password] {
width:299px;
height:48px;
border:none;
outline:none;
background: url(/assets/textbox.png) no-repeat;
padding-left: 10px;
font-size:1.2em
}

input[type=submit] {
width:104px;
height:41px;
background: url(/assets/login_button.png) no-repeat;
outline:none;
border:none;
cursor:pointer;
}

#forgot_password {

}

/* Other Elements */

#reflection {
display:block;
margin:10px auto;
}