body{
  font-family: 'Courier New', monospace;
  text-align: center;
  background-color: ghostwhite;
}

#header_area {
  width: 100%;
  height: 80px;
  margin: 0px auto 0px;
  padding: 0px 0px 0px 0px;
  background-color: #081155;
  /* border-radius: 8px; */
  text-align: center;
  float: center;
  border-bottom: solid 3px #c12a29;
  position: relative;
  z-index: 2;
}

#main_area{
  
  width: 100%;
  /* margin: 0px auto 0; */
  text-align: center;
  position: relative;
  z-index: 1;
}

table{
  /* width:80%; */
  border-collapse: separate;
  /* border-spaceing: 0; */
  /* table-layout: fixed; */
  margin: 3px auto;    /* 上下3px 左右auto */
}

table th:first-child{
  border-radius:5px 0 0 0;
  width: 50px;
}

table th:last-child{
  border-radius:0 5px 0 0;
  border-right: 1px solid #3c6690;
  
}

table th{
  text-align: center;
  color:white;
  background: linear-gradient(#829ebc,#225588);
  border-left: 1px solid #3c6690;
  border-top: 1px solid #3c6690;
  border-bottom: 1px solid #3c6690;
  box-shadow: 0px 1px 1px rgba(255,255,255,0.3) inset;
  /* width: 10% 30% 30% 30%; */
  padding: 10px 0;
}

.Rank{  
  width: 50px;
}

.Name{
  width: 300px;
}

.Score{
  width: 300px;
}

.Register{
  width: 300px;
}
table td{
  text-align: center;
  border-left: 1px solid #a8b7c5;
  border-bottom: 1px solid #a8b7c5;
  border-top:none;
  box-shadow: 0px -3px 5px 1px #eee inset;
  width: 25%;
  padding: 10px 0;
  color:#694437;


}

table td:last-child{
  border-right: 1px solid #a8b7c5;
}

table tr:last-child td:first-child {
  border-radius: 0 0 0 5px;
}

table tr:last-child td:last-child {
  border-radius: 0 0 5px 0;
}