.checked_in {
    color:white;
    background-image: linear-gradient(
    90deg, 
    rgba(255, 255, 255, .4) 100%, 
    transparent
  );
}
.checked_out {
    color:black;
    background-image: linear-gradient(
    90deg, 
    rgba(0, 0, 0, .4) 100%, 
    transparent
  );
}