Hi everyone,

My Css code is this::
Code:
@charset "utf-8";
body {
	background-color: #3E3E3E;
	color: #FFF;
	text-align: center;
}
#header {
	text-align: center;
	margin-bottom: 15px;
	border: thin solid #666;
}
#nav {
	text-align: center;
	list-style-position: outside;
	list-style-image: none;
	list-style-type: none;
	font-size: 12px;
	letter-spacing: 3px;
}
#right {
	float: left;
	width: 60%;
	text-align: center;
	font-size: 12px;
	letter-spacing: 3px;
	word-spacing: 3px;
	background-color: #FFF;
	border-left-width: 50px;
	border-left-style: groove;
	border-left-color: #ABABAB;
	margin-bottom: 10px;
	margin-top: 10px;
	border-top-width: thin;
	border-right-width: thin;
	border-bottom-width: thin;
	border-top-style: solid;
	border-right-style: solid;
	border-bottom-style: solid;
	border-top-color: #666;
	border-right-color: #666;
	border-bottom-color: #666;
}
#left {
	float: right;
	width: 26%;
	margin-top: 10px;
	border-right-width: 20px;
	border-right-style: groove;
	background-color: #FFF;
	border-right-color: #ABABAB;
	border-top-width: 3px;
	border-bottom-width: 3px;
	border-left-width: 3px;
	border-top-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-top-color: #666;
	border-bottom-color: #666;
	border-left-color: #666;
	font-size: 11px;
	text-align: center;
	letter-spacing: 2px;
}
#content {
	color: #030303;
}
#footer {
	clear: both;
	text-align: center;
	letter-spacing: 3px;
	font-size: 11px;
	margin-top: 10px;
	border: thin solid #666;
}
#wrapper {
	margin-top: auto;
	margin-right: 150px;
	margin-bottom: auto;
	margin-left: 150px;
	font-family: sans-serif, arial, verdana;
}
h2 {
	font-variant: small-caps;
	color: #FFF;
	font-weight: lighter;
	font-size: 30px;
	margin: 0px;
	padding: 0px;
	letter-spacing: 4px;
}
a {
	color: #A0CC38;
	text-decoration:none

}
a:hover{
	color: #EAFFBA;
	text-decoration:none
	}
h4 {
	margin-top: 5px;
	margin-right: 0px;
	margin-bottom: 0px;
	margin-left: 0px;
	padding-top: 5px;
	padding-right: 0px;
	padding-bottom: 0px;
	padding-left: 0px;
}

::-moz-selection{
background: #A0CC38;
color: #FFF;
} 

::selection {
background: #A0CC38;
color: #FFF;
}
I want to change that to fix layout.
Here is my website::

http://tppcal.netii.net

When i make the browser smaller my website's layout become mass.
I need help!

Where do i need to change and what do i need to add?
Thanks for reading...