Not an Element Of
∉
UNICODE
U+02209HEX CODE
∉HTML CODE
∉HTML ENTITY
∉CSS CODE
\2209 // html example
<span>∉</span> // css example
span {
content: "\2209";
} ∉
U+02209∉∉∉\2209 // html example
<span>∉</span> // css example
span {
content: "\2209";
}