.linkscroll{
 color:#800000;
 font-weight:bold;
     }

.scroll-box{
 margin-bottom:50px;
           }

.txt{
text-align:center;
     }

.scroll {
margin-bottom:20px;
text-align:center;  
display: inline-block;
padding-top: 70px;
position: relative;
}

.scroll::before {
  animation: scroll 3.5s infinite;
  border: solid #800000;
  border-width: 0 0 3px 3px;
  content: "";
  display: inline-block;
  margin: auto;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  transform: rotate(-45deg);
  width: 20px;
  height: 20px;
}

@keyframes scroll {
  0% {
    transform: rotate(-45deg) translate(0, 0);
  }
  80% {
    transform: rotate(-45deg) translate(-30px, 30px);
  }
  0%, 80%, 100% {
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
}