.tn-radio__wrapper
  display inline-block
  position absolute
  top 50%
  transform translate(0, -50%)
  cursor pointer
  height 20px
  width 20px
  line-height 20px
  font-size 22px
  user-select none

.tn-radio__wrapper input
  position absolute
  display none

.tn-radio__inner
  position absolute
  top 0
  left 0
  height 20px
  width 20px
  background-color #fff
  border-radius 50%
  box-sizing border-box

.tn-radio__inner:after
  content " "
  transform scale(0)

.tn-radio--checked .tn-radio__inner:after
  content " "
  background #2196F3
  background var(--bg-color)
  position relative
  display block
  top 2px
  left 2px
  width 12px
  height 12px
  border-radius 50%
  transform scale(1)
  transition transform .3s