/*0.5下线*/
.bup{
background-image: -ms-linear-gradient(top, #fff, #dededc);
background-image: -moz-linear-gradient(top, #fff, #dededc);
background-image: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#dededc));
background-image: -webkit-linear-gradient(top, #fff, #dededc);
background-image: -o-linear-gradient(top, #fff, #dededc);
background-image:linear-gradient(0deg,#dddddd,#dddddd 50%,transparent 50%);
background-size:100% 1px;
background-repeat:no-repeat;
background-position:top, right top;
}
.bdown{
background-image: -ms-linear-gradient(top, #fff, #dededc);
background-image: -moz-linear-gradient(top, #fff, #dededc);
background-image: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#dededc));
background-image: -webkit-linear-gradient(top, #fff, #dededc);
background-image: -o-linear-gradient(top, #fff, #dededc);
background-image:linear-gradient(0deg,#dddddd,#dddddd 50%,transparent 50%);
background-size:100% 1px;
background-repeat:no-repeat;
background-position:bottom;
}
.bbox{
background-image:linear-gradient(180deg, #dddddd, #dddddd 50%, transparent 50%),
linear-gradient(270deg, #dddddd, #dddddd 50%, transparent 50%),
linear-gradient(0deg, #dddddd, #dddddd 50%, transparent 50%),
linear-gradient(90deg, #dddddd, #dddddd 50%, transparent 50%);
background-size: 100% 1px,1px 100% ,100% 1px, 1px 100%;
background-repeat: no-repeat;
background-position: top, right top, bottom, left top;
}
