Código:
div.elemento{
width:21%;
line-height:2rem;
}
div:nth-child(1){
background-color: cyan;
line-height:4rem;
}
div:nth-child(2){
background-color: turquoise;
}
div:nth-child(3){
background-color: aquamarine;
font-size:1rem;
line-height:1.2rem;
}
div:nth-child(4){
background-color: skyblue;
}
div:nth-child(5){
background-color: cornflowerblue;
}
div:nth-child(6){
background-color: blue;
line-height:5rem;
font-size:3rem;
}
div:nth-child(7){
background-color: navy;
line-height:3rem;
}
div.Ejemplo{
margin: 70px;
text-align: center;
width: 1000px;
height: 200px;
color: greenyellow;
background-color: white;
display:flex;
flex-flow:row wrap;
align-items:baseline;
}