.border_round{
    -moz-border-radius: 8px;
    -webkit-border-radius: 8px;
}
.border_top_round{
    -moz-border-radius-topleft: 8px;
    -moz-border-radius-topright: 8px;
    -webkit-border-top-left-radius: 8px;
    -webkit-border-top-right-radius: 8px;
}
.border_bottom_round{
    -moz-border-radius-bottomleft: 8px;
    -moz-border-radius-bottomright: 8px;
    -webkit-border-bottom-left-radius: 8px;
    -webkit-border-bottom-right-radius: 8px;
}