.kartu {
  transition: 1s;
}
body {
  position: relative;
}
@media screen and (min-width: 480px) {
.progress-bar {
  border-radius: 80px 0px 0px 80px;
}
  #top_btn {
    display: none;
  }
  .auk {
    top: 30px;
    z-index: 2;
    position: absolute;
    right: 0;
    left: 0;
  }
}
 .auk {
    top: 70px;
    z-index: 2;
    position: absolute;
    right: 0;
    left: 0;
 }
#top_btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  position: fixed;
  z-index: 999;
  bottom: 10px;
  right: 10px;
}
.card img {
  border: solid 1px ;
}
#top_btn img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: solid 1px;
}
* {
  transition: 0.5s;
}
.card:hover {
  background-color: yellow;
  position: relative;
  box-shadow: 0px 0px 15px black;
}
.c-footer{
  background-color: #54566D;
  color: white;
  position: static;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  opacity: 0;
}
.auk {
  color: #000;
  opacity: 1;
}
.progress {
  position: relative;
  margin-bottom: 5px;
}
.progress p {
  position: absolute;
  right: 0;
  left: 45%;
  top: 0;
  bottom: 0;
}
.progress-bar {
  border-radius: 0px 0px 0px 0px;
}
z {
  display: block;
}
r {
  color: orangered;
}