@media screen and (max-width: 750px){

  #summary{
    left: 10px;
    width: 90%;
  }

  #headline{
      margin-bottom: 65px;
  }  

  #headline h1{
    font-size: 2.5em;
    line-height: 1.5em;
    margin-left: 40px;
    margin-top: 40px;
  }

  #headline img{
      width: 200px;
  }

  #products-container{
    grid-template-columns: 1fr 1fr;
  }

  .item_overlay{
    width: 220px;
  }

  #modal{
    width: 80%;
  }

  .add-btn{
    width: 20%;
  }
}

@media screen and (max-width: 650px){
 
.menu-items{
    margin-left: 30px;
    font-size: 20px;
 }

 #header img{
   width: 20%;
 }

 #cart-btn{
  width: 80px;
  border-radius: 5px;
}

#cart-val{
  font-size: 30px;
  margin-top: 10px;
  margin-left: -15px;
}

 #cart-btn img{
   width: 30%;
 }

  #headline{
      margin-top: 20px;
      margin-bottom: 85px;
      width: 80%;
      justify-content: space-evenly;
  }  

  #headline h1{
    font-size: 2em;
    line-height: 1.4em;
    margin-top: 60px;
    margin-right: 60px;
    font-weight: normal;
  }

  #headline img{
      width: 250px;
  }

  #products-container{
    column-gap: 50px;
  }

  .item_overlay{
    width: 200px;
  }

  #footer img{
    width: 20%;
  }

  #footer p{
     margin-right: 10px;
  }
}

@media screen and (max-width: 550px){

  #summary{
    left: 0;
    width: 100%;
    text-align: center;
  }

  #table-body tr td{
    text-align: center;
  }

  .ok-btn{
    margin-right: -100px;
  }

  .menu-items{
    margin-left: 10px;
    font-size: 18px;
   }

   #headline{
     display: flex;
     flex-direction: column;
     text-align: center;
     align-items: center;
     margin-top: 5px;
     margin-bottom: 100px;
   } 

   #headline h1{
    margin-bottom: 20px;
  }

  #shop-btn{
    width: 80%;
  }

  #products-container{
    grid-template-columns: 1fr;
  }

  .add-btn{
    width: 60%;
  }

  #about{
    padding: 20px;
}

#about p {
    font-size: 1em;
    line-height: 1.6em;
  }

  #footer p{
    font-size: 14px;
  }

  #modal{
    width: 100%;
  }

  #table{
    font-size: 13px;
    margin-bottom: 25px;
  }

  #table th, td{
      padding-bottom: 3px;
      text-align: left;
  }

  .remove{
    font-size: 10px;
    padding: 3px;
    width: 50px;
    margin-left: -30px;
  }

  .inc{
    font-size: 16px;
    padding: 2px;
  }

  .amount{
    padding: 10px;
    font-size: 11px;
  }

  .checkout_btn{
    flex-direction: column;
    align-items: center;
  }

  .ctn{
     width: 80%;
     margin-bottom: 40px;
  }

  .checkout{
     width: 80%;
     margin: 0 auto;
  }

}
 
@media screen and (max-width: 800px){
  #headline img{
    width: 10%;
  }
}

@media screen and (max-width: 1100px){
  #headline{
    margin-bottom: 55px;
  }

  #headline h1{
      font-size: 3em;
      margin-left: 75px;
  }

  #headline img{
    width: 400px;
    margin-top: 20px;
  }

  #modal{
    width: 90%;
  }

  #summary{
    left: 40px;
    width: 80%;
  }
  
  #products-container{
    column-gap: 30px;
  }

  .item_overlay{
    width: 200px;
  }
  
  .add-btn{
    width: 70%;
  }
}