.btn {
  position: absolute;
  display: flex;
  width: 250px;
  height: 200px;
  padding: 12px;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  flex-shrink: 0;
  border-radius: 6px;
  background: #191a1a;
  box-shadow: 5px 5px 5px 0px rgba(0, 0, 0, 0.2);
}
.btn h2 {
  color: #fff;
  font-size: 12px;
}
.btn p {
  color: #fff;
  font-size: 12px;
}
.btn span {
  color: #000;
  font-size: 12px;
}
.btn .line {
  width: 100%;
  height: 1px;
  background-color: #fff;
}
.select {
  display: flex;
  padding: 6px 0px;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  border-radius: 6px;
  background: #4db9c7;
}
.search {
  top: 10%;
  left: 10%;
  transform: translateX(-50%);
  transition: all 1s;
  animation: btn-search 2s ease-in-out;
}
.research {
  top: 50%;
  left: 10%;
  transform: translate(-50%, -50%);
  transition: all 1s;
  animation: btn-research 2s ease-in-out;
}
.lab {
  bottom: 10%;
  left: 10%;
  transform: translateX(-50%);
  transition: all 1s;
  animation: btn-lab 2s ease-in-out;
}

@keyframes btn-search {
  0% {
    top: 0;
    left: 0;
    opacity: 0;
    transform: translate(-50%, -50%);
  }
  100% {
    top: 10%;
    left: 10%;
    opacity: 1;
    transform: translateX(-50%);
  }
}
@keyframes btn-research {
  0% {
    top: 50%;
    left: 0;
    opacity: 0;
    transform: translate(-50%, -50%);
  }
  100% {
    top: 50%;
    left: 10%;
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}
@keyframes btn-lab {
  0% {
    bottom: 0;
    left: 0;
    opacity: 0;
    transform: translate(-50%, 50%);
  }
  100% {
    bottom: 10%;
    left: 10%;
    opacity: 1;
    transform: translateX(-50%);
  }
}