#calculator input{
  border: none;
}
#calculator button {
  height: 35px;
  width: 35px;
  margin: 2px 1px;
  border: none !important;
  padding: 6px 7px;
}
*:focus {
    outline: 0 !important;
}
#allClear {
  box-shadow: inset 1px 1px 50px  #990000;
  border: none;
}
#clear {
  box-shadow: inset 1px 1px 50px  #CC6600;
  border: none;
}
#equals{
  box-shadow: inset 1px 1px 50px #006633;
  border: none;
}
#blank {
  visibility: hidden;
}
#calculator .screen {
  width: 161px;
  height: 36px;
  border-radius: 3px;
  padding: 10px;
  margin: 2px 24px;
  font-size: 15px;
  font-weight: bold;
  background: #8e9eab;  
}
#calculator small {
  color: #fff;
  font-weight: bold;
}
.navbar-custom-menu .popover-content, .pos-header .popover-content{
    padding: 4px 0;
}