CSS div fondo del padre
.parent {
display: flex;
align-items: flex-end;
}
Rudolph Steyn
.parent {
display: flex;
align-items: flex-end;
}#parentDiv
{
display: flex;
justify-content: flex-end;
flex-direction: column;
width:300px;
height:300px;
background-color:#ccc;
background-repeat:repeat
}