cara melakukan desactivate txt seleksi css
/* To desactivate text selection */
user-select: none; /* Normal (chrome)*/
-webkit-touch-callout: none; /* iOS Safari */
-webkit-user-select: none; /* Safari */
-khtml-user-select: none; /* Konqueror HTML */
-moz-user-select: none; /* Old versions of Firefox */
-ms-user-select: none; /* Internet Explorer/Edge */
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