Header and nav bar still not lined up

/*****************************
GENERAL
*****************************/

body {
  font-family: 'Kanit', sans-serif;
}

#wrapper {
  max-width: 940px;
  margin: 0 auto;
  padding: 0 5%;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
}

/*****************************
HEADER
*****************************/

header {
  float: left;
  margin: 0 0 30px 0;
  padding: 5px 0 0 0;
  width: 100%;
}

#logo {
  text-align: center;
  margin: 0;
}

h1 {
  font-family: 'Rubik', sans-serif;
  margin: 15px 0;
  font-size: 1.75em;
  font-weight: normal;
  line-height: 0.8em;
}

h2 {
  font-size: 0.75em;
  margin: -5px 0 0;
  font-weight: normal;
}


/*****************************
NAVIGATION
*****************************/

nav { 
  text-align: center;
  padding: 10px 0;
  margin: 20px 0 0;
}

nav ul {
  list-style: none;
  margin: 0 10px;
  padding 0;
}

nav li {
  display: inline-block;
}

nav a {
  font-weight: 700;
  padding: 15px 10px;
}


/*****************************
FOOTER
*****************************/

footer {
  font-size: 0.75em;
  text-align: center;
  clear: both;
  padding-top: 50px;
  color: #ccc;
}

.social-icon {
  width: 20px;
  height: 20px;
  margin: 0 5px;
}


/*****************************
PAGE: PORTFOLIO
*****************************/

#gallery {
  margin: 0;
  padding: 0;
  list-style: none;
}

#gallery li {
  float: left;
  width: 45%;
  margin: 2.5%;
  background-color: #f5f5f5;
  color: #bdc3c7
}

#gallery li a p {
  margin: 0;
  padding: 5%;
  font-size: 0.75em;
  color: #bdc3c7
}
/*****************************
COLOURS
*****************************/

/* site body */
body {
  background-color: #fff;
  color: #999;
}

/*green header */
header {
  background: #006600;
  border-color:#006600;
}

/* nav background */
nav {
  background: #008000
}

/* logo text */
h1, h2 {
  color: #fff;
}

/* links */
a {
  color: #006600;
}

/* nav link */
nav a, nav a:visited {
  color: #fff;
}

nav a.selected, nav a:hover {
  color: #32673f
}