Link to article: Css 9000 Ethagon 1.
.clearance {
color: black;
background-color: black;
-webkit-user-select: none; /* Safari */
-ms-user-select: none; /* IE 10 and IE 11 */
user-select: none;
}
.clearance.c1 {
color: inherit;
background-color: inherit;
-webkit-user-select: inherit; /* Safari */
-ms-user-select: inherit; /* IE 10 and IE 11 */
user-select: inherit;
}
.clearance a {
color: black;
background-color: black;
text-decoration: none;
pointer-events: none;
user-select: none;
}
.clearance a:visited {
color: black;
}
.specifier .c2,
.specifier .c3,
.specifier .c4 {
display: none;
}
.specifier .c1 {
display: inherit;
}