Abdullah-FAl

/* Hide all possibilities in advance */
.firefox, .msie, .safari, .chrome, .win, .mac { display:none; }

/* Detect Internet Explorer 9 or Greater */
@media screen and (min-width:0\0) and (min-resolution: +72dpi) { .msie, .win { display:block; } }

/* Detect Internet Explorer 8 or Lower and veru old versions of Firefox */
@media \0screen\,screen\9 { .msie, .win { display:block; } }

/* Detect any version of Firefox */

Abdullah-FAl

//CONSTANTS
define( 'HTTP_CONTINUE',                      100 );
define( 'HTTP_SWITCHING_PROTOCOLS',           101 );
define( 'HTTP_PROCESSING',                    102 );
define( 'HTTP_OK',                            200 );
define( 'HTTP_CREATED',                       201 );
define( 'HTTP_ACCEPTED',                      202 );
define( 'HTTP_NON_AUTHORITATIVE',             203 );
define( 'HTTP_NO_CONTENT',                    204 );
define( 'HTTP_RESET_CONTENT',                 205 );