Right Arrow over Left Arrow
⇄
UNICODE
U+021C4HEX CODE
⇄HTML CODE
⇄HTML ENTITY
⇄CSS CODE
\21C4 // html example
<span>⇄</span> // css example
span {
content: "\21C4";
} ⇄
U+021C4⇄⇄⇄\21C4 // html example
<span>⇄</span> // css example
span {
content: "\21C4";
}