.file-opener
     display flex
     flex 1 1 auto
     align-items center
     width 100%
.file-opener__a
    text-decoration none
    color var(--coolGrey)
@supports (display: contents) 
     .file-opener
          display contents

@supports not (display: contents)
     .file-opener
          display flex
          flex 1 1 auto
          align-items center
          width 100%

.file-opener__a
    text-decoration none
    color var(--coolGrey)
Use display contents when supported. Use flex when not
fix: Use display contents when supported. Use flex when not
