body{
	font-family:Arial;
	font-size: 13px;
	color: #626262;
	max-width: 980px;
	margin: 0 auto;
}
a{color: #333;text-decoration: none;}
a:hover{color: #ed1c24;}
.bangtinh{
  background: url('bang-tinh-tra-gop.png') no-repeat center center /100%;
  width: 300px;
  height: 50px;
  margin: 50px auto 0 auto;
}
 input, textarea , select{
  border: 1px solid #D8D8D8;
  padding: 10px;
  margin-bottom: 10px;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  width: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  font-weight: bold;

  -webkit-box-shadow: inset 3px 3px 5px 0 rgba(0, 0, 0, 0.03) !important;
    box-shadow: inset 3px 3px 5px 0 rgba(0, 0, 0, 0.03) !important;
    background: #ECECEC;
  outline: 0;
}
input:focus, select:focus{
  border-color: #66afe9;
}
select{
  background:#ECECEC url('icon.svg') no-repeat right 0;
  background-size: auto 30%;
  background-position: 98%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}
.btn-submit {
  margin: 25px auto;
  padding-bottom: 6px;
  width: 180px;
}
.column1{width:300px;float:left;}
.column2{width:400px;float:left;}
.label{
	float:right;
	line-height:40px;
	font-weight:bold;
	padding-right:10px;

}
.error{color:#ed3237;margin:-5px 0 10px 0;display: block;}
.submit{background:#e11428 none repeat scroll 0 0;color:#fff;font-size:20px;border:none;line-height:30px;margin:0;cursor:pointer;}

#ket-qua-tinh-tien{width:100%;border-collapse:collapse;border-spacing:0;}
#ket-qua-tinh-tien tr.tieu-de{background:#ed3237 !important;font-weight:bold;color: #fff;}
#ket-qua-tinh-tien tr.tieu-de td{font-size: 14px;}
#ket-qua-tinh-tien tr.tong-cong{color:#ed3237;font-weight:bold;border-top:2px solid #888;}
#ket-qua-tinh-tien td{border:1px solid #e1e1e1;padding:5px;text-align: center;font-size: 14px;}
#ket-qua-tinh-tien tr:nth-child(2n+1){
	background: #f5f5f5;
}
@media screen and (max-width:640px){
  body{max-width:100%;padding: 10px;}
  .bangtinhtragop h3{margin:0;font-size:30px;}
  .column1, .column2{width:100%;}
  .label{float:left;line-height:20px;}
  #ket-qua-tinh-tien tr.tieu-de td{font-size: 10px;}
  #ket-qua-tinh-tien td{font-size: 10px;}
}