.slider {
position: relative;
width: 50%;
}
.slider_image {
display: block;
width: 100%;
height: auto;
}
.slider_overlay {
position: absolute;
bottom: 100%;
left: 0;
right: 0;
background-color: #ff800a;
overflow: hidden;
width: 100%;
height:0;
transition: .5s ease;
}
.slider:hover .slider_overlay {
bottom: 0;
height: 100%;
}
.slider_text {
white-space: nowrap;
color: white;
font-size: 20px;
position: absolute;
overflow: hidden;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
}
<!-- STRONA-->
<div class="responsive">
<div class="slider">
<img src="images/card_prev.jpg" alt="Avatar" class="slider_image">
<div class="slider_overlay">
<div class="slider_text">CARD DESCRIPTION</div>
</div>
</div>
</div>
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}