  height: 50px;
  grid: 7px auto 3px / 7px auto 3px;
  grid-gap: 5px;
  border:1px solid;
}

.grid > * {
  grid-area: 2/2;
  border:1px solid;
  appearance: none;
  min-width:0;
  min-height:0;
  box-sizing: border-box;
}

input { justify-self: start; }
.m  { align-self: start; margin: 17px 3px 5px 7px; }

x { display:block; width:110px; height:5px; background:grey; }
.h .grid x { width:5px; height:110px; }

br { clear:both; }
  </style>
</head>
<body>

<div class="grid"><input class="oa"></div>
<div class=