@media (min-width:300px) and (max-width:800px){
   .mar_about_top {
   	margin-top: 20px;
   	width:100%;
   	margin-left: 0px;
   }

   .mar_about_top1 {
   	margin-top: 20px;
   }


   .mar_about_top3{
   	margin-top: -50px;
   }

   .text_align{
   	text-align: center;
   	width:100%;
   	

   }


}
@media (min-width:300px) and (max-width:800px){
   
   	
   	
   }

   
}