* {
  box-sizing: border-box;
}
 /*hệ thống*/
#myTable {
  display: block;
    float: none;
     width: 100%;
		 height: 500px;
		overflow-y: auto;
}

#myInput {
 background-image: url('https://www.w3schools.com/css/searchicon.png');
  background-position: 10px 10px;
  background-repeat: no-repeat;
  width: 100%;
  font-size: 16px;
  padding: 12px 20px 12px 40px;
  border: 1px solid #ddd;
  margin-bottom: 12px;
	 
}

#myTable {
  border-collapse: collapse;
  width: 100%;
  border: 1px solid #ddd;
  font-size: 18px;
}

#myTable th, #myTable td a{
  text-align: left;
  padding: 12px;
   list-style-type: none;
}

#myTable tr {
  border-bottom: 1px solid #ddd;
}

#myTable tr:hover {
  background-color: #f1f1f1;
}
a:link{
  text-decoration: none;
  display: inline-block;
}