.button01 {
  text-align: center;
}

.button01 a {
  display: inline-block;
  position: relative;
  top:-170px;
  left:19px;
  padding: 1em 1em 1em 0px;
  margin: 0px 50px 0px 0px;
  color: #333;
  font-size: 18px;
  font-weight: 700;
  transition: 0.3s;
}

.button01 a::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border: 3px solid #aaaaaa;
  border-radius: 50vh;
  transition: 0.3s;
}

.button01 a::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 8px;
  height: 8px;
  border-top: 2px solid #333333;
  border-right: 2px solid #333333;
  transition: 0.3s;
}

#btn1::after {
  left: 12px;
  transform: translateY(-50%) rotate(225deg);
}
#btn2::after {
  left: 10px;
  transform: translateY(-50%) rotate(45deg);
}

.button01 a:hover::before {
  background-color: #333;
}

.button01 a:hover::after {
  border-top: 2px solid #f2f2f2;
  border-right: 2px solid #f2f2f2;
}