#head_img{
float:left;
height:35em;
width:77em;
}
#main{
float:left;
width:100em;
}
#main #col_left{
float:left;
width:21.2em;
padding:5em 12.4em;
background-color:#d7d7d7;
color:#555;
}
#main #col_right{
float:left;
width:38em;
padding:4em 8em;
color:#7c7c7c;
}
#col_left a{
display:block;
color:#555;
padding-top:3em;
}
#col_left a:hover{
color:#000;
}
#prevnext{
padding-top:5em;
}
#prevnext a{
color:#9acf60;
}
#prevnext a:hover{
color:#000;
}
#prev{
float:left;
}
#next{
float:right;
}