CSS: Positioning

Question

So I have the following sequence of html:

<div class="box-content">
   <div class="box1 box"></div>
   <div class="box2 box"></div>
   <div class="box3 box"></div>
</div>

I am trying to display them like the following image:

Does anybody know the appropriate css to do so?

Answer 1

You can do this with Flexbox.

body, html {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

.box-content {
  display: flex;
  height: 100vh;
  flex-wrap: wrap;
}

.box {
  border: 3px solid black;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  background: #22B14C;
  margin: 10px;
}
.box2, .box3{
  flex: 0 0 calc(50% - 20px);
}

.box1 {
  flex: 0 0 calc(100% - 20px);
}

<div class="box-content">
   <div class="box1 box">One</div>
   <div class="box2 box">Two</div>
   <div class="box3 box">Three</div>
</div>