body{
  margin:0;
  font-family:Arial;
  background:#fff7f0;
}

header{
  text-align:center;
  padding:15px;
  background:white;
  border-bottom:2px solid #f28c28;
  position:sticky;
  top:0;
}

h1{margin:0;}

nav{
  display:flex;
  overflow-x:auto;
  background:#fff;
  padding:10px;
  border-bottom:1px solid #ddd;
}

nav button{
  margin-right:10px;
  padding:6px 10px;
  border:none;
  background:#f28c28;
  color:white;
  border-radius:20px;
}

.menu-item{
  background:white;
  margin:10px;
  padding:10px;
  border-radius:10px;
}

.price{
  float:right;
  font-weight:bold;
}

.add{
  background:#25D366;
  color:white;
  border:none;
  padding:5px 10px;
  border-radius:6px;
}

.cart{
  position:fixed;
  bottom:0;
  width:100%;
  background:white;
  border-top:2px solid #f28c28;
  padding:10px;
}

.hidden{display:none;}