JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
  <div class="page-header">Heading</div>
  <h3 class="right_1">right_1</h3>
  <div class="right_2">right_2</div>
  <div class="left">form element</div>
  <h3 class="right_3">right_3</h3>
  <div class="right_4">right_4</div>
</div>

CSS

.wrapper {
  display: grid;
  height: 100vh;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: 
     " heading heading "
     "  left_ right1   "
     "  left_ right2   "
     "  left_ right3   "
     "  left_ right4   "
}

.page-header { grid-area: heading; }
.right_1     { grid-area: right1;  }
.right_2     { grid-area: right2;  }
.right_3     { grid-area: right3;  }
.right_4     { grid-area: right4;  }
.left        { grid-area: left_;   } /* "left" is a pre-defined CSS keyword, so it may not work */

@media ( max-width: 800px ) {
  .wrapper { 
     grid-template-columns: 1fr;
     grid-template-areas: 
        " heading "
        "  left_  "
        "  right1 "
        "  right2 "
        "  right3 "
        "  right4 "
     }
}

/* non-essential decorative styles */
.page-header { background-color: red; }
.right_1     { background-color: chartreuse; }
.right_2     { background-color: aqua; }
.right_3     { background-color: skyblue; }
.right_4     { background-color: black; color: white; }
.left        { background-color: cornsilk; }
body         { margin: 0; }
.wrapper > * {
  font-weight: bold;
  font-size: 1.5em;
  border: 1px solid black;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}