* {
margin: 0;
padding: 0
}

body, html {
    height:  100%;
    margin:  0px auto;
    padding: 0px auto;
}

#wrapper {
    height:     auto;
    min-height: 100%;
    margin:     0px auto;
    padding:    0px auto;
 }
 
#header {
	border-bottom: 1px solid black;
	padding: 5px;
	padding-left: 15px;
}

#menu {
	border-bottom: 1px solid black;
	padding: 5px;
}

#header a {
	color: 000;
	outline: none;
	text-decoration: none;
}

#content {
  padding-bottom: 40px;
}

#sn_check_form {
	border-bottom: 1px solid black;
	padding: 5px;
}

#sn_check_output {
	margin: auto;
	margin-top: 15px;
	border: 1px solid black;
	border-radius: 5px;
	width: 500px;
	padding: 10px;
}

#footer {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 30px;
}