viewport
什麼也沒寫
width=device-width
width=500px
initial-scale=0.5
initial-scale=2
initial-scale=1, maximum-scale=2
initial-scale=1, maximum-scale=1, minimum-scale=1
initial-scale=1, user-scalable=0
border-radius
border-radius
border-top-right-radius
animation
animation
audio
audio
autoplay (work on desktop, mobile jizz)
display:none
no controls
給我不見吧!
We WIN!! (Desktop)