.item{animation:slide-item 20s infinite;animation-timing-function:linear;opacity:0}.item:first-child{animation-delay:4s}.item:nth-child(2){animation-delay:8s}.item:nth-child(3){animation-delay:12s}.item:nth-child(4){animation-delay:16s}@keyframes slide-item{0%{left:-100%;opacity:1}to{left:350%}}@media(min-width:640px){@keyframes slide-item{0%{left:-100%;opacity:1}to{left:350%}}}@media(min-width:768px){@keyframes slide-item{0%{left:-75%;opacity:1}to{left:300%}}}@media(min-width:1024px){@keyframes slide-item{0%{left:-50%;opacity:1}to{left:210%}}}@media(min-width:1280px){@keyframes slide-item{0%{left:-50%;opacity:1}to{left:175%}}}@media(min-width:1536px){@keyframes slide-item{0%{left:-50%;opacity:1}to{left:150%;opacity:.5}}}