html - can i change the width of image, that put by content in css -


i making round tabs form steps, have change image when link active. it's changing size of changed image different. should this?
css: 

li.active span.round-tabs.two {    border: 2px solid #ddd;    color: #febe29;    background: blue !important;    content: url('../images/round-tap-icons/round-tab-icon-3.png');  }
<ul class="nav nav-tabs" id="mytab">    <div class="liner"></div>    <li class="active">      <a href="#home"  title="welcome">        <span class="round-tabs one" onclick="showtabimg()">          <img src="images/round-tap-icons/round-tab-icon-1.png" />          <img src="images/round-tap-icons/round-tab-icon-1-white.png" style="display:none" />        </span>      </a>      <h3>order</h3>    </li>      <li>      <a href="#wallet" data-toggle="tab" title="wallet">        <span class="round-tabs two">          <img src="images/round-tap-icons/round-tab-icon-2.png" />        </span>      </a>       <h3>didgital wallet</h3>    </li>        <li>      <a href="#payment" data-toggle="tab" title="payment">        <span class="round-tabs three">          <img src="images/round-tap-icons/round-tab-icon-3.png" />        </span>      </a>      <h3>payment</h3>    </li>      <li>      <a href="#confirmation" data-toggle="tab" title="blah blah">        <span class="round-tabs four">        <img src="images/round-tap-icons/round-tab-icon-4.png" />      </span>      </a>      <h3>confirmation</h3>     </li>  </ul>

these both image link active or link unactive.

enter image description here

enter image description here

when dealing multiple images of different sizes in defined size container, got multiple options:

the first, naïve 1 , best resize them. because if manually, you'll able want, , when reducing size of image reduce size of file users have load. better page speeds.

the second use images background of container. gives option play css property background-size resize picture see fit according results trying achieve. you'll want use cover or contain values. read more here.

the third possibility play images' css width, height , min-/max- values. though able define either heights or widths if want keep ratio contraints.

finally, unlike comments state, think javascript useless on cases.

edit: when using background-size: cover/contain take of container's size. trick here either have smaller container inside. or better yet, since seems container contains image, can use background-clip:padding-box , use padding restrain size of background image. read more here


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