body{ 
  margin: 30PX; 
}
.container{ border: 3px solid blue;
  border-radius: 8px;
  height: 297mm;
  width: 210mm; 
  display:block;
  padding: 20px;
  margin-top: 12px;
}
.data_left{
  float: left;
  border-right: 3px solid blue;
  margin: 4px 0px;
  padding: 23px;
  display:  inline-block;
  width: 40%;
  height: auto;
  box-sizing: border-box;
} 
.data_right{
  margin: 4px 0px;
  padding: 23px;
  display:  inline-block;
  width: 60%;
  box-sizing: border-box;
}
#heading{
  width: 180px;
  margin-top: -70px;
  margin-left: 39%; background: white; 
  text-align: center;
} 
.data{ margin: 20px;
  padding: 20px;
}
.main{
  height: 100vh;
  width: 100vh;
  padding-left:23% ;
}