javascript - Transparent form bootstrap over background image -

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i'm working bootstrap , can't figure out how texts , forms overlay background image. i've tried other solutions found here, none of them work. i've tried adding bootstrap page creating own css , trying in html page well.

<form class="form-horizontal">     <div class = "form-group">         <label for="inputname" class="control-label col-xs-2">first name</label>         <div class = "col-xs-10">             <input type = "text" class="form-control transparent-input" id="inputname" placeholder="name">         </div>     </div>     <br>     <div class = "form-group">         <label for="inputlast" class="control-label col-xs-2">last name</label>         <div class = "col-xs-10">             <input type = "text" class="form-control transparent-input" id="inputlast" placeholder="name">         </div>     </div>     <br>     <div class="form-group">         <label for="inputemail" class="control-label col-xs-2">email</label>         <div class="col-xs-10">             <input type="email" class="form-control transparent-input" id="inputemail" placeholder="email">         </div>     </div>     <br>     <div class="form-group">         <label for="inputpassword" class="control-label col-xs-2">password</label>         <div class="col-xs-10">             <input type="password" class="form-control transparent-input" id="inputpassword" placeholder="password">         </div>     </div>     <br>     <div class="form-group">         <div class="col-xs-offset-2 col-xs-5">             <button type="submit" class="btn btn-primary">register</button>         </div>     </div> </form>

my css

html{     /* image displayed fullscreen */     /* ensure html element takes full height of browser window */     min-height:100%;      /* magic */     background-size:cover;      background: rgba(245, 245, 245, 0.7) url('bowling.jpg') no-repeat center center; }  body{     /* workaround mobile browsers */     min-height:100%; }  .transparent-input {     background-color: rgba(0, 0, 0, 0);     border:none; }

put container around form, make container 100vh , can use background-image declaration on it. it's more reliable target <section> or <div> html.

i wired on codepen you: http://codepen.io/staypuftman/pen/jwjgao


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