html - combination selector - Plus selector in css not working -


may don't understand plus selector, want, when user click on radio button home, div 1 should displayed, , when user click on radio button about, div 2 should displayed, did not work, strip down code, problem, code accepted div 1 displayed home default checked. did not happened, know problem dont know why,

please read comment, in code, said line giving problem hint it's css last section,

html code

<div class="container">             <input  type="radio"  name="option" id="home" checked />             <input  type="radio"  name="option" id="about" />              <div class="navigation">                 <label for="home"  class="link">home</label>                 <label for="about" class="link">about us</label>             </div>              <div class="display">                 <div class="one">                 <h3>this first</h3>                 </div>                  <div class="two">                 <h3>this second</h3>                 </div>             </div>     </div>

css code

.navigation {margin-top:20px;} .link{cursor:pointer;} /*making div display*/ .one,.two{     display:none; }  /* ###this line not working## want display div, if user click on radio button */ #home:checked +.container > .one{     display:block; }

if want run code here code pen link https://codepen.io/arif_suhail_123/pen/kvdwey

.container not sibling of #home.

to select element in question, when #home checked, can use ~, general sibling selector:

#home:checked ~ .display > .one 

.navigation {margin-top:20px;}  .link {cursor:pointer;}    .one, .two {    display:none;  }        #home:checked ~ .display > .one {    display:block;  }    #about:checked ~ .display > .two {    display: block;  }
<div class="container">    <input  type="radio"  name="option" id="home" checked />    <input  type="radio"  name="option" id="about" />      			    <div class="navigation">      <label for="home"  class="link">home</label>      <label for="about" class="link">about us</label>    </div>      	    <div class="display">      <div class="one">        <h3>this first</h3>    </div>      		    <div class="two">      <h3>this second</h3>      </div>    </div>      </div>


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