.box1{
border-style: solid;
border-width: 1;
border-color: #cccccc
}
.box2{
border-left-style: solid;
border-left-width: 1;
border-right-style: solid;
border-right-width: 1;
border-bottom-style: solid;
border-bottom-width: 1;
border-color: #cccccc
}
.box3{
border-right-style: solid;
border-right-width: 1;
border-bottom-style: solid;
border-bottom-width: 1;
border-color: #cccccc
}
.box4{
border-right-style: solid;
border-right-width: 1;
border-top-style: solid;
border-top-width: 1;
border-bottom-style: solid;
border-bottom-width: 1;
border-color: #cccccc
}
.box_g{
border-style: solid;
border-width: 1;
border-color: gray
}