height: 80%;

height: 20%;

height: 80%;
flex-basis: 20%;

height: 20%;
flex-basis: 80%;

flex-basis: 30%;

flex-basis: 10vw;

flex-basis: 5rem;

flex-basis: 100px;

flex-basis: 10%;

flex-basis: 30%;

flex-basis: 50%;

flex-basis: 70%;

flex-basis: 200px;

flex-basis: 400px;

flex-basis: 600px;

flex-basis: 800px;

flex-basis: 200%;

flex-basis: 200px;

flex-basis: 10px;

flex-basis: 20rem;