Link to article: Css 9000 Ethagon 4.
.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, .clearance.c2, .clearance.c3, .clearance.c4 {
color: inherit;
background-color: inherit;
-webkit-user-select: inherit; /* Safari */
-ms-user-select: inherit; /* IE 10 and IE 11 */
user-select: inherit;
}
.clearance.c4 {
background-color: #EE9A09;
}
.specifier .c1,
.specifier .c2,
.specifier .c3 {
display: none;
}
.specifier .c4 {
display: inherit;
}