Fix preferences checkbox might not vertical aligned in some browsers
Fix preferences checkbox might not vertical aligned in some browsers

jackycute/HackMD,hackmdio/hackmd,hackmdio/hackmd,aswathyjacob8/newtest,Yukaii/hackmd,ironhack/hackmd,Rwing/hackmd,PeterDaveHello/hackmd,PeterDaveHello/hackmd,Yukaii/hackmd,jccrofty30/hackmd,aswathyjacob8/newtest,ironhack/hackmd,hackmdio/hackmd,jccrofty30/hackmd,Rwing/hackmd,ironhack/hackmd,jccrofty30/hackmd,jackycute/HackMD,Rwing/hackmd,aswathyjacob8/newtest,PeterDaveHello/hackmd,Yukaii/hackmd,jackycute/HackMD