/* black */
.btn_fv {
  font-size: 90%;
  font-weight: 700;
  color: rgb(209,209,217);
  text-decoration: none;
  text-shadow: 0 -1px 2px rgba(0,0,0,.2);
  outline: none;
  border-radius: 3px;
  background: linear-gradient(rgb(110,112,120), rgb(81,81,86)) rgb(110,112,120);
  box-shadow:
   0 1px rgba(255,255,255,.2) inset,
   0 3px 5px rgba(0,1,6,.5),
   0 0 1px 1px rgba(0,1,6,.2);
  transition: .2s ease-in-out;
}
.btn_fv:hover:not(:active) {
  background: linear-gradient(rgb(126,126,134), rgb(70,71,76)) rgb(126,126,134);
}
.btn_fv:active {
  top: 1px;
  background: linear-gradient(rgb(76,77,82), rgb(56,57,62)) rgb(76,77,82);
  box-shadow:
   0 0 1px rgba(0,0,0,.5) inset,
   0 2px 3px rgba(0,0,0,.5) inset,
   0 1px 1px rgba(255,255,255,.1);
}
/* / black */