.sale-text {
color:black;
text-decoration:line-through;
font-size:large;
line-height:1;
height:100%;
}
.sale-text:after {
content:"Sale";
animation: sale-text 9s linear infinite;
-webkit-animation: sale-text 9s linear infinite;
-moz-animation: sale-text 9s linear infinite;
-ms-animation: sale-text 9s linear infinite;
height:100%;

}
.sale-background {
height:100%;
padding:.5rem;
animation: sale-color 3s infinite;
}

@keyframes sale-text {
0% { content:"Saldi"; }
10% { content:"Sale"; }
20% { content:"Vente"; }
30% { content:"Verkauf"; }
40% { content:"Rebaja"; }
50% { content: "Uitverkoop"; }
60% { content: "продажа"; }
70% { content: "セール"; }
80% { content: "昇進"; }
90% { content: "promoção"; }
100% { content: "promotie"; }
}

@keyframes sale-color {
  0% {
    background-color: #white;
  }
  50% {
    background-color:cyan;
    height:100%;
  }
  100% {
    background-color: #white;
  }
}