@media only screen and (max-width: 764px) {
    .phone-content{
        text-align: center;
    }
   .phone-header{
       font-size: 0.7em;
       text-align: center;
   }
   .phone-set{
       padding: 1.7em;
   }

   .phone-set-header{
       font-size: 1.5em;
       text-align: center !important;
   }
   .phone-video{
       text-align: center;

   }
   .phone-video iframe{
       height: 200px;
       width: 300px;
   }

  
  
}