table {
  font-family: arial, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

td, th {
  border: 1px solid #aaa;
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {
  background-color: #dddddd;
}



@media only screen and (max-width: 320px) {




 table  {
  
	border: none;
}



 table tr  {
  
	display: block;
	border-bottom: solid 1px #d7d7d7;
}

 table tr td  {
  
	display: inline-block;
width: auto;
border: none !important;
}
 table tr th  {
  
	display: inline-block;
width: auto;
border: none !important;
}

}