on normal using mobile solution, icon blur ( i don’t know the best word for this)
But if i m in th page cart an i want to acces to the menu the menu is ok !!!!
You need to open your SVG icons file with some editor like Sublime Text or default system text editor and add width=”31″ height=”40″ attributes to your <svg> tag like it is shown: http://prntscr.com/m4n0qw
Then you will need to re-upload your icons in WordPress Dashboard.