.slider {
  max-width: 100%;
  height: 300px;
  margin: 0px auto;
  position: relative;
}
.slide1,.slide2,.slide3,.slide4,.slide5,.slide6,.slide7 {
  position: absolute;
  width: 100%;
  height: 100%;
}
.slide1 {
  background: url(../images/pizza.jpg) no-repeat center;
      background-size: cover;
    animation:fade 16s infinite;
-webkit-animation:fade 16s infinite;

} 
.slide2 {
  background: url(../images/pasta.jpg) no-repeat center;
      background-size: cover;
    animation:fade2 16s infinite;
-webkit-animation:fade2 16s infinite;
}
.slide3 {
    background: url(../images/mozarella.jpg) no-repeat center;
      background-size: cover;
    animation:fade3 16s infinite;
-webkit-animation:fade3 16s infinite;
}

.slide4 {
    background: url(../images/bowling1.jpg) no-repeat center;
      background-size: cover;
    animation:fade 16s infinite;
-webkit-animation:fade 16s infinite;
}

.slide5 {
    background: url(../images/bowling2.jpg) no-repeat center;
      background-size: cover;
    animation:fade2 16s infinite;
-webkit-animation:fade2 16s infinite;
}

.slide6 {
    background: url(../images/bruncheader1.jpg) no-repeat center;
      background-size: cover;
    animation:fade 16s infinite;
-webkit-animation:fade 16s infinite;
}

.slide7 {
    background: url(../images/bruncheader2.jpg) no-repeat center;
      background-size: cover;
    animation:fade2 16s infinite;
-webkit-animation:fade2 16s infinite;
}


@keyframes fade
{
  0%   {opacity:1}
  33.333% { opacity: 0}
  66.666% { opacity: 0}
  100% { opacity: 1}
}
@keyframes fade2
{
  0%   {opacity:0}
  33.333% { opacity: 1}
  66.666% { opacity: 0 }
  100% { opacity: 0}
}
@keyframes fade3
{
  0%   {opacity:0}
  33.333% { opacity: 0}
  66.666% { opacity: 1}
  100% { opacity: 0}
}