.btta-btn{display:inline-block;margin-bottom:0;font-weight:400;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:0;-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,.125);box-shadow:inset 0 3px 5px rgba(0,0,0,.125)}.btta-btn.disabled,.btta-btn[disabled],fieldset[disabled] .btta-btn{cursor:not-allowed;pointer-events:none;opacity:.65;filter:alpha(opacity=65);-webkit-box-shadow:none;box-shadow:none}.ns-back-to-top{cursor:pointer;position:fixed;display:none;z-index:99999;-webkit-transition:all .3s ease-in-out 0s;-o-transition:all .3s ease-in-out 0s;transition:all .3s ease-in-out 0s}.btta-btn-base{font-size:14px}