/*** for PC Browser ***/
@media (min-width:401px)
{
.concept{
  padding: 8px; 
  background: #f1f8ff; 
  border-radius: 1em; 
  margin: 10px 0;

}
}


/*** for Smart Phone ***/
@media (max-width:400px)
{
.concept{
margin-top:10px;
font-weight: normal;
 font-size: 120%;
clear:both;
}
}