.fk {
  width: 44px;
  height: 44px;
  text-align: center;
  line-height: 42px;
  border-radius: 50px;
  background: transparent linear-gradient(180deg, #FFFFFF 0%, #F0F0F0 100%) 0% 0% no-repeat padding-box;
  box-shadow: inset 0px 3px 6px #FFFFFF, 0px 3px 6px #79544280;
  border: 1px solid #FCEFD5;
  color: #C6A86C;
  font-size: 24px;
}
.fk.disable {
  background: #edecec;
  box-shadow: 1px 1px 2px 0px rgba(98, 98, 98, 0.5), -2px 0px 2px 0px rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  border: 1px solid #797baa;
  opacity: 0.35;
}
.fk.active {
  background: transparent linear-gradient(180deg, #F5E8C4 0%, #E3BB83 100%) 0% 0% no-repeat padding-box;
  box-shadow: inset 0px 3px 6px #FFFFFF, 0px 3px 6px #79544280;
  color: #FFFFFF;
}
.fk:hover {
  background: transparent linear-gradient(180deg, #F5E8C4 0%, #E3BB83 100%) 0% 0% no-repeat padding-box;
  box-shadow: inset 0px 3px 6px #FFFFFF, 0px 3px 6px #79544280;
  color: #FFFFFF;
}