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<!DOCTYPE html> <html> <head> <style> .container { display: inline-block; cursor: pointer; } .bar1, .bar2, .bar3 { width: 35px; height: 5px; background-color: #333; margin: 6px 0; transition: 0.4s; } .change .bar1 { -webkit-transform: rotate(-45deg) translate(-9px, 6px) ; transform: rotate(-45deg) translate(-9px, 6px) ; } .change .bar2 {opacity: 0;} .change .bar3 { -webkit-transform: rotate(45deg) translate(-8px, -8px) ; transform: rotate(45deg) translate(-8px, -8px) ; } </style> </head> <body> <p>Click on the Menu Icon to transform it to "X":</p> <div class="container" onclick="myFunction(this)"> <div class="bar1"></div> <div class="bar2"></div> <div class="bar3"></div> </div> <script> function myFunction(x) { x.classList.toggle("change"); } </script> </body> </html>