converting codes Options

[IAmTheChin]

i went on pootato.org to get a skin but i dont know how to convert the stylesheet to the xanga to make it work. idk where to put it and how to edit it and stuff. help?

body {
background: #FFFFFF;
margin: 0px;
padding: 0px;
scrollbar-arrow-color: #000000;

}
p {

its sorta like that on the stylesheet.

[IAmTheChin]

body {
background: #FFFFFF;
margin: 0px;
padding: 0px;
scrollbar-arrow-color: #000000;
scrollbar-face-color: #EEEEEE;
scrollbar-3dlight-color: #FFFFFF;
scrollbar-darkshadow-color: #FFFFFF;
scrollbar-highlight-color: #FFFFFF;
scrollbar-shadow-color: #FFFFFF;
scrollbar-track-color: #FFFFFF;
}
p {
color: #000000;
font: 11px/16px Verdana, Arial, Helvetica, sans-serif;
text-align: justify;
}
.title {
font-family: Georgia, "Times New Roman", Times, serif;
font-weight: bold;
text-transform: uppercase;
color: #333333;
letter-spacing: 2px;
word-spacing: 2em;
border-bottom: 1px solid #000000;
padding-left: 20px;
}
a {
color: #333333;
text-decoration: none;
}
a:hover {
color: #999999;
text-decoration: none;
}

the above code is from the stylesheet. i dont know where 2 edit the things