.demo a {
  position: absolute;
  bottom: 0px;
  left: 50%;
  z-index: 200;
  display: inline-block;
  -webkit-transform: translate(0, -50%);
  transform: translate(0, -50%);
  color: #fff;
  font : normal 400 20px/1 'Josefin Sans', sans-serif;
  letter-spacing: .1em;
  text-decoration: none;
  transition: opacity .1s;
}
.demo a:hover {
  opacity: .5;
}

a.anchor {
    display: block;
    position: relative;
    top: -200px;
    visibility: hidden;
}

a.anchor3 {
    display: block;
    position: relative;
    top: -450px;
    visibility: hidden;
}

#section07 a {
  padding-top: 80px;
}
#section07 a span {
  position: absolute;
  top: 0;
  left: 50%;
  width: 24px;
  height: 24px;
  margin-left: -12px;
  border-left: 1px solid #fff;
  border-bottom: 1px solid #fff;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
  -webkit-animation: sdb07 2s infinite;
  animation: sdb07 2s infinite;
  opacity: 0;
  box-sizing: border-box;
}
#section07 a span:nth-of-type(1) {
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
#section07 a span:nth-of-type(2) {
  top: 16px;
  -webkit-animation-delay: .15s;
  animation-delay: .15s;
}
#section07 a span:nth-of-type(3) {
  top: 32px;
  -webkit-animation-delay: .3s;
  animation-delay: .3s;
}
@-webkit-keyframes sdb07 {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes sdb07 {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@media screen and (max-width: 479px) {
	
  a.anchor {
    display: block;
    position: relative;
    top: 30px;
    visibility: hidden;
}

  a.anchor2 {
    display: block;
    position: relative;
    top: -50px;
    visibility: hidden;
}

  a.anchor3 {
    display: block;
    position: relative;
    top: -10px;
    visibility: hidden;
}

}