How do I stretch the background in CSS?

/* PAGE BACKGROUND */
body {
background-image: url(http://static.frostwire.com/avalanche/images/main-bg.png);
background-attachment: fixed;
background-position: center center;
background-repeat: repeat-repeat;
background-color: #000000;
cursor: ;
}
/* GLOBAL FONTS */
.usercontent {
font-family: century gothic, Times New Roman, Times, serif;
color: #cccccc;
}
/* GLOBAL LINKS */
.usercontent a, .usercontent a:link, .usercontent a:visited, .usercontent a:hover, .usercontent a:active {
color: #cc0066;
}
.usercontent a:hover {
color: #ffffff;
}
/* MASTER BOXES */
.commonbox {
border-width: 2px;
border-color: #cc0066;
border-style: dashed;
background-color: transparent;
}
.commonbox .evenrow {
background-color: transparent;
}
/* MASTER HEADERS */
.commonbox h1, .commonbox h2 {
font-family: century gothic, Times New Roman, Times, serif;
color: #ffffff;
background-color: #1a1a1a;
}
/* CONTROL PANEL: BOX */
.controlpanel {
border-width: 2px;
border-color: #cc0066;
border-style: dashed;
background-color: transparent;
}
/* CONTROL PANEL: USER PHOTO */
.controlpanel .imgblock200 {
border-color: #cc0066;
}
/* CONTROL PANEL: DATA */
.controlpanel .q {
color: #cccccc;
}
.controlpanel .data {
color: #cccccc;
}
.data a {
color: #cc0066;
text-decoration: ;
}
/* CONTROL PANEL: MORE ABOUT ME LINK */
a.more {
color: #cc0066;
text-decoration: ;
}
/* CONTROL PANEL: BUTTONS */
#controlPanelButtons a, #controlPanelButtons a:link, #controlPanelButtons a:visited {
font-family: papyrus, Sans-serif;
color: #cc0066;
border-color: #ffffff;
background-color: #000000;
text-decoration: ;
}
#controlPanelButtons a:hover {
font-family: Arial, Sans-serif;
color: #000000;
border-color: #ffffff;
background-color: #cc0066;
text-decoration: ;
}
/* MISC: TESTIMONIALS/REVIEWS TEXT */
.data {
font-family: century gothic, Times New Roman, Times, serif;
color: #cccccc;
}
/* MISC: VIEW ALL LINKS */
.commonbox .viewall {
font-family: century gothic, Times New Roman, Times, serif;
color: #ffffff;
}
/* MISC: SMALL PHOTOS */
.commonbox .imgblock75, .ir {
border-width: 2px;
border-color: #cc0066;
border-style: dashed;
background-color: #000000;
}
/* MISC: SMALL PHOTO NAMES */
.commonbox .dr {
font-family: century gothic, Times New Roman, Times, serif;
color: transparent;
background-color: #000000;
}
body { cursor:url(https://2img.net/h/i888.photobucket.com/albums/ac88/lovebang01/sayawsya.gif),default;}