* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
.img-float {
    width: 300px;
    height: 300px;
    float: inherit;
    margin: 2rem;
}
.parent-element {
    background-color: skyblue;
    padding: 10px;
}
.child-one {
    background-color: gray;
    padding: 10px;
}
.child-two {
    background-color: yellow;
    padding: 10px;
}
.child-three {
    background-color: gray;
    padding: 10px;
}