.btta-btn {
  display: inline-block;
  margin-bottom: 0;
  font-weight: normal;
  text-align: center;
  vertical-align: middle;
  touch-action: manipulation;
  cursor: pointer;
  background-image: none;
  border: 1px solid transparent;
  white-space: nowrap;
  padding: 9px 18px;
  font-size: 14px;
  line-height: 1.42857143;
  border-radius: 0px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.btta-btn:focus,
.btta-btn:active:focus,
.btta-btn.active:focus,
.btta-btn.focus,
.btta-btn:active.focus,
.btta-btn.active.focus {
  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}

.btta-btn:hover,
.btta-btn:focus,
.btta-btn.focus {
  text-decoration: none;
}

.btta-btn:active,
.btta-btn.active {
  outline: 0;
  background-image: none;
  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
}

.btta-btn.disabled,
.btta-btn[disabled],
fieldset[disabled] .btta-btn {
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.65;
  filter: alpha(opacity=65);
  -webkit-box-shadow: none;
  box-shadow: none;
}

.ns-back-to-top {
  cursor: pointer;
  position: fixed;
  /* bottom: 70px;
  right: 20px; */
  display: none;
  z-index: 99999;
  -webkit-transition: all 300ms ease-in-out 0s;
  -o-transition: all 300ms ease-in-out 0s;
  transition: all 300ms ease-in-out 0s; 
}

.btta-btn-base {
  font-size: 14px;
}