css3 - CSS backgroudn transition, what's wrong here? -

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i feel cursed never background color transition correct , it's making me feel inadequate...

it not transition between background colors, "blips" 1 next without transition @ all. doing wrong?

<div class="flowitem">     test </div>  .flowitem {      -webkit-transition: background 1000ms linear;     -moz-transition: background 1000ms linear;     -ms-transition: background 1000ms linear;     -o-transition: background 1000ms linear;     transition: background 1000ms linear; } .flowitem:hover {     background-image: -moz-linear-gradient(top, #e0ffff, #87ceeb);     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0.00, #e0ffff), color-stop(1.0, #87ceeb)); }

jsfiddle

background images can't “transitioned” other properties: should intermediate value of background-image during transition?

as workaround apply background pseudoelement, position: absolute , negative z-index. can show pseudoelement animating opacity property, so

https://jsfiddle.net/45vdd8fl/4/

.flowitem {     position: relative; }  .flowitem::before {     -webkit-transition: opacity 1s linear;     -moz-transition: opacity 1s linear;     -ms-transition: opacity 1s linear;     -o-transition: opacity 1s linear;     transition: opacity 1s linear;      content: "";     position: absolute;     z-index: -1;     top: 0;     left: 0;     width: 100%;     height: 100%;     opacity: 0;        background-image: -moz-linear-gradient(top, #e0ffff, #87ceeb);     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0.00, #e0ffff), color-stop(1.0, #87ceeb));  }  .flowitem:hover::before {    opacity: 1;  }

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