.backtotop {
  z-index: 100;
  position: fixed;
  right: 3rem;
  bottom: 4rem;
  width: 5rem;
  height: 5rem;
  padding: 0;
  line-height: 5rem;
  background-color: #696969;
  cursor: pointer;
  bottom: 10rem;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.3s, opacity 0.3s, bottom 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  float: none;
  margin-right: 0;
  padding: 1rem 2rem;
  border: 0.3rem solid transparent;
  border-radius: 0.5rem;
  text-align: center;
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.5;
  transition: all 0.2s ease;
  text-decoration: none;
}
.shownBackToTop {
  opacity: 1;
  bottom: 10rem;
  visibility: visible;
}
.backtotop:before {
  content: "\e917";
  font-family: TScomUIicons;
  position: relative;
  transition: top 0.3s ease-in;
  display: inline-block;
  vertical-align: middle;
}
.backtotop:hover:before {
  top: -0.4rem;
}
.co-btn-level2 {
  color: #FFFFFF;
  background-color: #696969;
}
.co-btn-level2:hover,
.co-btn-level2:focus {
  color: #696969;
  text-decoration: none;
  background-color: #FFFFFF;
}
.co-btn-level2:hover {
  border: 0.3rem solid #C2C2C2;
  box-shadow: 0 0.9rem 2.5rem 0 rgba(0, 0, 0, 0.3);
}
.co-btn-level2:focus {
  border: 0.3rem solid #3FBBEF;
}
.co-btn-level2:disabled,
.co-btn-level2.disabled {
  color: #FFFFFF;
  background: rgba(105, 105, 105, 0.4);
}