css - Page break styles not working using bootstrap3 -

we have created website using bootstrap3. while trying print page mobile view printed. have made necessary code changes print in desktop view.

but page break styles not getting applied. have used following code:

.avoid-break-inside {   page-break-inside: avoid !important }  .break-before{   page-break-before: !important }  .break-after {   page-break-after: always;  }