This is what goes on HTML:
<div class="horizontalStyle">
<div class="black horizontal"></div>
<div class="red horizontal"></div>
<div class="yellow horizontal"></div>
</div>
This is what goes on CSS:
.horizontalStyle {
display: flex;
flex-direction: column;
}
.horizontal {
width: 225px;
height: 50px;
}
.black {
background-color: #000000;
}
.red {
background-color: #d80027;
}
.yellow {
background-color: #ffda44;
}