html - Hover effect is affecting them all at once, not individually -

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i have been looking through cause of problem , haven't had luck finding anything. i'm not entirely sure if own stupidity or purely lack of knowledge.

i don't know lot coding , i've had super long day may have on looked something. here basic idea of i'm trying do.

i want list of 5 options, , have block under window when rolled on shows block. (indicated colour)

now i've created when rolled on show up, why this?

here example of i've created

html

<div id="nature"> <a class="sound">     <h4>forest</h4>      <div class="preview" style="background:red;">     </div> </a>  <a class="sound">     <h4>storm</h4>      <div class="preview"style="background:blue;" >     </div> </a>  <a class="sound">     <h4>winter</h4>      <div class="preview"style="background:lightblue;" >     </div> </a>  <a class="sound">     <h4>dusk</h4>      <div class="preview"style="background:pink;" >     </div> </a>  <a class="sound">     <h4>ocean</h4>      <div class="preview"style="background:yellow;" >     </div> </a>  </div>

css

#nature {     width: 100%;     position: absolute;     margin: 0;     padding: 0;     bottom: 0;     left: 0; } .sound {     margin: 0;     padding: 0;     width: 20%;     height: 130px;     display: inline-block;     float: left;     background: green;     cursor: pointer;     transition: .5s;     -webkit-transition: .5s;     margin-bottom: -50px; } .sound:hover {     margin-bottom: 0; } .sound .preview {     height: 50px;     width: 100%;     overflow: hidden;     clear: both;     margin: 50px 0 0 0; }

jsfiddle

easiest way;

#nature > {   position: relative; } .sound { bottom:-50px; } .sound:hover { bottom:0; }

fiddle: http://jsfiddle.net/u3ssv/

p.s. also, can wrap content in container overflow set hidden.. or still dont point (?) :)


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