javascript - Trying to get a header to stick to top of DIV and have content scroll beneath it -


i'm working on little css/html project , i'm running wall. hoping can here. here link ui i'm working on: imgur.com

what i'm trying have projects header sticky top of container div, , have items scroll beneath without overlapping header.

this css have container:

.projectcontainer {   background-color: rgba(0, 0, 0, 0.15);   width: 30%;   height: 50%;   border-radius: 2em !important;   margin: 1em;   overflow-y: auto;   position: relative; }

and css have header.

.projectheader {   position: absolute;   padding-left: 35%;   top: 0;   height: 1.5em; }

edit: added bit of html i'm using:

<div class = "projectcontainer">   <div class="name projectheader">projects</div>   <div class="projectthumbnail">     <a href="http://lunchline.herokuapp.com" target="_blank">       <i class="fa fa-cutlery fa-3x"></i>         <p>lunchline</p>     </a>   </div>   more project thumbnails here </div>

this doesn't work header scrolls else. tried using position: sticky on header, , problem content scrolled beneath header text instead of neatly ending @ bottom of header div. if can guide me in right direction i'd grateful.

also, sidenote: there way rid of gotdawful scrollbar , have thumb appear (and appear when i'm scrolling)?

thanks everyone.

edit: here js fiddle.

i tried stripping down container , stuff looks messy think shows i'm trying do.

i think biggest problem put overflow on main div, not on content div.

.container{    background:gray;    color:white;    width:400px;    height:400px;    display:flex;    flex-direction:column;  }  .content{    flex:1;    overflow:auto;  }
<div class="container">    <h1 class="header">header</h1>    <div class="content">content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br>content<br></div>  </div>


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