.curved {
  background: transparent; 
  width:280px;
  margin:auto;
  }
.curved .b1 {
  display:block; 
  overflow:hidden; 
  height:1px; 
  margin:0 5px; 
  background:#fff;
  font-size:1px;
  }
.curved .b2 {
  display:block; 
  overflow:hidden; 
  height:1px; 
  margin:0 5px; 
  background:#000; 
  border-left:2px solid #fff; 
  border-right:2px solid #fff; 
  margin:0 3px; 
  height:1px;
  font-size:1px;
  }
.curved .b3 {
  display:block; 
  overflow:hidden; 
  height:1px; 
  margin:0 3px; 
  background:#000; 
  border-left:1px solid #fff; 
  border-right:1px solid #fff; 
  margin:0 2px;
  font-size:1px;
  }
.curved .b4 {
  display:block; 
  overflow:hidden; 
  height:2px; 
  margin:0 2px; 
  background:#000; 
  border-left:1px solid #fff; 
  border-right:1px solid #fff; 
  margin:0 1px;
  height:2px; 
  font-size:1px;
  }
.curved .boxcontent {
  background:#000; 
  border:0 solid #fff; 
  border-width:0 1px;
  }
  
.searchSelectCurved {
  background: transparent; 
  width:50%;
  margin:auto;
  }
.searchSelectCurved .b1 {
  display:block; 
  overflow:hidden; 
  height:1px; 
  margin:0 5px; 
  background:#5a5a5a;
  font-size:1px;
  }
.searchSelectCurved .b2 {
  display:block; 
  overflow:hidden; 
  height:1px; 
  margin:0 5px; 
  background:#000; 
  border-left:2px solid #000; 
  border-right:2px solid #000; 
  margin:0 3px; 
  height:1px;
  font-size:1px;
  }
.searchSelectCurved .b3 {
  display:block; 
  overflow:hidden; 
  height:1px; 
  margin:0 3px; 
  background:#000; 
  border-left:1px solid #000; 
  border-right:1px solid #000; 
  margin:0 2px;
  font-size:1px;
  }
.searchSelectCurved .b4 {
  display:block; 
  overflow:hidden; 
  height:2px; 
  margin:0 2px; 
  background:#000; 
  border-left:1px solid #000; 
  border-right:1px solid #000; 
  margin:0 1px;
  height:2px; 
  font-size:1px;
  }
.searchSelectCurved .boxcontent {
  background:#000; 
  border:0 solid #000; 
  border-width:0 1px;
  }