css - How to Remove class or activate class for specific view port only -

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not sure if require javascript, or if there way css alone.

basically want have class active medium , small size browswers. example:

<style>    .big {font-size: 2em;}    .normal {font-size: 1em;} </style>  <div class="big">    <p> text huge on normal size screens.</p> </div>

i want either able switch class ".big" @ mobile/medium view ".normal" or disable class @ view-port size.

is possible? work-arounds?

you can below.

add both big , normal class div. keep class hierarchy this.

first normal big

now can @ particular viewport, make normal's font size important value.

<style>    .big {      font-size: 2em;    }    .normal {      font-size: 1em;    }    @media (max-width: 767px) {      .normal {        font-size: 1em !important;      }  </style>    <div class="normal big">    <p>this text huge on normal size screens.</p>  </div>


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