remer | based vw = 375 How to use add this to html head: <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> used in mobile pt => rem | (x)pt = (x/16)rem used in miniapp rpx => rem | (x)rpx = (x/32)rem rem => rpx | (x)rem = (32)rpx