.sliderxxxx {
  max-width: 300px;
  height: 200px;
  margin: 1px auto;
  position: relative;
}

.slidexxxx1,.slidexxxx2,.slidexxxx3,.slidexxxx4,.slidexxxx5,.slidexxxx6,.slidexxxx7,.slidexxxx8 {
  position: absolute;
  width: 100%;
  height: 100%;
}
.slidexxxx1 {
  background: url('weldon/aa.jpg')no-repeat center;
      background-size: cover;
    animation:fadex 15s infinite;
-webkit-animation:fadex 15s infinite;

} 
.slidexxxx2 {
  background: url('weldon/bbb.jpg')no-repeat center;
      background-size: cover;
    animation:fadex2 15s infinite;
-webkit-animation:fadex2 15s infinite;
}
.slidexxxx3 {
    background: url('weldon/cc.jpg')no-repeat center;
      background-size: cover;
    animation:fadex3 15s infinite;
-webkit-animation:fadex3 15s infinite;
}
.slidexxxx4 {
    background: url('weldon/dd.jpg')no-repeat center;
      background-size: cover;
    animation:fadex4 15s infinite;
-webkit-animation:fadex4 15s infinite;
}
.slidexxxx5 {
    background: url('weldon/5.jpg')no-repeat center;
      background-size: cover;
    animation:fadex5 15s infinite;
-webkit-animation:fadex5 15s infinite;
}
.slidexxxx6 {
    background: url('weldon/ff.jpg')no-repeat center;
      background-size: cover;
    animation:fadex6 15s infinite;
-webkit-animation:fadex6 15s infinite;
}
.slidexxxx7 {
    background: url('weldon/a.png')no-repeat center;
      background-size: cover;
    animation:fadex7 15s infinite;
-webkit-animation:fadex7 15s infinite;
}
.slidexxxx8 {
    background: url('weldon/gg.jpg')no-repeat center;
      background-size: cover;
    animation:fadex8 15s infinite;
-webkit-animation:fadex8 15s infinite;
}
@keyframes fadex
{
  0%   {opacity:1}
  11.111% { opacity: 0}
  33.333% { opacity: 0}
  44.444% { opacity: 0}
  55.555% { opacity: 0}
  66.666% { opacity: 0}
  77.777% { opacity: 0}
  88.888% { opacity: 0}
  100% { opacity: 1}
}
@keyframes fadex2
{
    0%   {opacity:0}
  11.111% { opacity: 1}
  33.333% { opacity: 0}
  44.444% { opacity: 0}
  55.555% { opacity: 0}
  66.666% { opacity: 0}
  77.777% { opacity: 0}
  88.888% { opacity: 0}
  100% { opacity: 0}
}
@keyframes fadex3
{
    0%   {opacity:0}
  11.111% { opacity: 0}
  33.333% { opacity: 1}
  44.444% { opacity: 0}
  55.555% { opacity: 0}
  66.666% { opacity: 0}
  77.777% { opacity: 0}
  88.888% { opacity: 0}
  100% { opacity: 0}
}
@keyframes fadex4
{
    0%   {opacity:0}
  11.111% { opacity: 0}
  33.333% { opacity: 0}
  44.444% { opacity: 1}
  55.555% { opacity: 0}
  66.666% { opacity: 0}
  77.777% { opacity: 0}
  88.888% { opacity: 0}
  100% { opacity: 0}
}
@keyframes fadex5
{
  0%   {opacity:0}
  11.111% { opacity: 0}
  33.333% { opacity: 0}
  44.444% { opacity: 0}
  55.555% { opacity: 1}
  66.666% { opacity: 0}
  77.777% { opacity: 0}
  88.888% { opacity: 0}
  100% { opacity: 0}
}
@keyframes fadex6
{
  0%   {opacity:0}
  11.111% { opacity: 0}
  33.333% { opacity: 0}
  44.444% { opacity: 0}
  55.555% { opacity: 0}
  66.666% { opacity: 1}
  77.777% { opacity: 0}
  88.888% { opacity: 0}
  100% { opacity: 0}
}
@keyframes fadex7
{
  0%   {opacity:0}
  11.111% { opacity: 0}
  33.333% { opacity: 0}
  44.444% { opacity: 0}
  55.555% { opacity: 0}
  66.666% { opacity: 0}
  77.777% { opacity: 1}
  88.888% { opacity: 0}
  100% { opacity: 0}
}
@keyframes fadex8
{
  0%   {opacity:0}
  11.111% { opacity: 0}
  33.333% { opacity: 0}
  44.444% { opacity: 0}
  55.555% { opacity: 0}
  66.666% { opacity: 0}
  77.777% { opacity: 0}
  88.888% { opacity: 1}
  100% { opacity: 0}
}