.box {
display: block;
width: 200px;
height: 200px;
padding: 20px;
background: black;
}
.class1 {
position: relative;
color: red;
}
.class2 {
position: relative;
color: red;
}
<div class="box">
<div class="class1">
The First Thing
</div>
<div class="class2">
The Second Thing
</div>
</div>