.grid {
  display: grid;
}
.a, 
.b, 
.c::selection, 
.d:read-only, 
.e::-webkit-input-placeholder {
  color: yellow;
}
.a, 
.b, 
.c::-moz-selection, 
.d:-moz-read-only, 
.e:-moz-placeholder {
  color: yellow;
}
.a, 
.b, 
.c::-moz-selection, 
.d:-moz-read-only, 
.e::-moz-placeholder {
  color: yellow;
}
.a, 
.b, 
.c::selection, 
.d:read-only, 
.e:-ms-input-placeholder {
  color: yellow;
}
.a, 
.b, 
.c::selection, 
.d:read-only, 
.e::-ms-input-placeholder {
  color: yellow;
}
.a, 
.b, 
.c::selection, 
.d:read-only, 
.e::placeholder {
  color: yellow;
}
::-moz-selection {
  color: red;
}
::selection {
  color: red;
}
:-moz-read-only {
  color: black;
}
:read-only {
  color: black;
}
.f:-moz-read-write, 
.g:-moz-read-write {
  background: #fff;
}
.f:read-write, 
.g:read-write {
  background: #fff;
}
.example:-webkit-any-link:read-only {
  color: red;
}
.example:-moz-any-link:-moz-read-only {
  color: red;
}
.example:any-link:read-only {
  color: red;
}
.element1:focus, 
.element1:-moz-read-only {
  background-color: red;
}
.element1:focus, 
.element1:read-only {
  background-color: red;
}
.c::-moz-selection {
  -moz-backface-visibility: visible;
  backface-visibility: visible;
}
.c::selection {
  -webkit-backface-visibility: visible;
  -moz-backface-visibility: visible;
  backface-visibility: visible;
}