Sorry about that… My css code is as follows:
/*
html5doctor.com Reset Stylesheet
v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - http://richclarkdesign.com
Twitter: @rich_clark
*/
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
margin:0;
padding:0;
border:0;
outline:0;
font-size:100%;
vertical-align:baseline;
background:transparent;
}
body {
line-height:1;
}
article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section {
display:block;
}
nav ul {
list-style:none;
}
blockquote, q {
quotes:none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content:'';
content:none;
}
a {
margin:0;
padding:0;
font-size:100%;
vertical-align:baseline;
background:transparent;
}
/* change colours to suit your needs */
ins {
background-color:#ff9;
color:#000;
text-decoration:none;
}
/* change colours to suit your needs */
mark {
background-color:#ff9;
color:#000;
font-style:italic;
font-weight:bold;
}
del {
text-decoration: line-through;
}
abbr[title], dfn[title] {
border-bottom:1px dotted;
cursor:help;
}
table {
border-collapse:collapse;
border-spacing:0;
}
/* change border colour to suit your needs */
hr {
display:block;
height:1px;
border:0;
border-top:1px solid #cccccc;
margin:1em 0;
padding:0;
}
input, select {
vertical-align:middle;
}
/*My Code*/
.main-wrapper {
margin: 0 auto;
width: 1000px;
}
a {
text-decoration: none;
}
body {
background-color: #ccc;
}
header nav {
width: 100%;
height: 60px;
background-color: #fff;
}
header nav ul {
float: left;
}
header nav ul li {
float: left;
list-style:none;
}
header nav ul li a{
font-family: arial;
font-size: 16px;
color: #111;
line-height: 63px;
}
header .nav_login {
float:right;
}
header .nav_login form{
float:left;
padding-top: 15px;
}
header .nav_login form input{
float:left;
width: 140px;
height: 30px;
padding: 0px 10px;
margin-right: 10px;
border:none;
background-color: #ccc;
font-family: arial;
font-size: 14px;
color: #111;
line-height: 30px;
}
header .nav_login form button{
float:left;
width: 60px;
height: 30px;
margin-right: 10px;
border:none;
background-color: #f3f3f3;
font-family: arial;
font-size: 14px;
color: #111;
cursor:pointer;
}
header .nav_login form button:hover{
background-color: #ccc;
}
header .nav_login a{
display: block;
width: 60px;
height: 60px;
border:none;
float:left;
background-color: #fff;
font-family: arial;
font-size: 16px;
color: #111;
line-height: 63px;
cursor:pointer;
}
.main-container {
padding-top: 40px;
}
.main-container h2 {
font-family: arial;
font-size: 40px;
color: #111;
line-height: 50px;
text-align:center;
}
/*signup.php styling*/
.signup-form {
width:400px;
margin: 0 auto;
padding-top: 30px;
}
.signup-form input{
width: 90%;
height: 40px;
padding: 0px 5%;
margin-bottom: 4px;
border:none;
background-color: #fff;
font-family: arial;
font-size: 16px;
color: #111;
line-height: 40px;
}
.signup-form button{
display:block;
margin: 0 auto;
width: 30%;
height: 40px;
border:none;
background-color: #222;
font-family: arial;
font-size: 16px;
color: #fff;
cursor:pointer;
}
.signup-form button:hover{
background-color: #111;
}
Thanks!