Tweak UI buttons
Tweak UI buttons

Related to #188

Big-Shark/php-debugbar,DanPhyxius/php-debugbar,stefandoorn/php-debugbar,maximebf/php-debugbar,stefandoorn/php-debugbar,DanPhyxius/php-debugbar,Big-Shark/php-debugbar,stefandoorn/php-debugbar,maximebf/php-debugbar,reignHay/debugbar,DanPhyxius/php-debugbar,reignHay/debugbar,Big-Shark/php-debugbar,maximebf/php-debugbar,stefandoorn/php-debugbar,reignHay/debugbar,DanPhyxius/php-debugbar,reignHay/debugbar,Big-Shark/php-debugbar