css - How to make responsive png sequence? -


i trying make responsive png sequences.

my tried code here. wrong code?
1. if removed background-size :100%; shows image until , unless invisible.
2. not responsive. (if comment background-size :100%) css

 .eye {       position: relative;       width: 70%;       margin: -10% auto 0 auto; /* positioning tweak */     }     .pngseq{       position: absolute;       left: 0;       right: 0;       top: 0;       bottom: 0;       background:  url('http://arnoculus.com/img/eye-sprite.png') no-repeat 0 0%;       background-size: 100%;       animation: play 3s steps(58) infinite;     } @-webkit-keyframes play {     { background-position:    0px; }      { background-position: -30740px; } }  @-moz-keyframes play {      { background-position:    0px; }      { background-position: -30740px; } }  @-ms-keyframes play {      { background-position:    0px; }      { background-position: -30740px; } }  @-o-keyframes play {      { background-position:    0px; }      { background-position: -30740px; } }  @keyframes play {      { background-position:    0px; }      { background-position: -30740px; } }

html

<div class="eye">       <div class="pngseq">       </div> </div>

jsfiddle

you have several mistakes...

here code working

.eye {      position: relative;      width: 70%;      height: 800px;      background-color: red;      margin: -10% auto 0 auto; /* positioning tweak */  }     .pngseq{      position: absolute;      left: 0;      right: 0;      top: 0;      bottom: 0;      background:  url('http://arnoculus.com/img/eye-sprite.png') no-repeat 0 0%;      background-size: 5800%;      animation: play 3s steps(57) infinite;   }    @keyframes play {      { background-position:    0px 0px; }      { background-position: 100% 0px; }  }
<div class="eye">            <div class="pngseq">                </div>        </div>

it shaking bit, maybe original image isn't accurate, or maybe working percentages @ sizes has rounding error; don't know sure.


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