img{
opacity:0.8;
-moz-opacity:0.8;
filter: alpha(opacity=80) black;
-khtml-opacity: 0.8;
background-color:#000;
}
.aki {
position: relative;
}
.aki::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
z-index: 1;
background: rgb(0, 0, 0, 0.5);
background: -webkit-gradient(linear, left bottom, left top, from(rgb(0, 0, 0, 0.5)), color-stop(30%, rgb(255, 255, 250, 0)));
background: linear-gradient(0deg, rgb(0, 0, 0, 0.5) 0%, rgb(255, 255, 250, 0) 30%);
}