*
    margin: 0
    padding: 0
    box-sizing: border-box
    font-family: Arial, Helvetica, sans-serif

input[type=text], select, textarea
    padding-left: 1em
    padding-right: 1em

#alert, #decorator
    display: none

@mixin absoluteCenter
    position: absolute
    margin: auto
    top: 0
    bottom: 0
    left: 0
    right: 0

@mixin mobile
    @media screen and (max-width: 900px)
        @content

@mixin flex
    display: flex
    justify-content: center
    align-items: center

@mixin flex-column
    @include flex
    flex-direction: column

@mixin flex-item
    height: 100%
    flex: 1

@mixin flex-column-item
    width: 100%
    flex: 1

body
    background-image: var(--body-background)
    background-size: var(--body-background-size)
    color: var(--global-text-color)

.posButton
    color: var(--posbutton-text-color)
    background: var(--posbutton-background)
    text-shadow: 1px 1px #1f272b
    border: solid 1px var(--posbutton-border-color)

.posHeader
    padding: 0.5em
    color: var(--pos-header-text-color)
    background: var(--pos-header-background)

.posButton.active,.posButton:active, .posButton:focus
    border-color: var(--posbutton-border-color-active)
    color: var(--posbutton-text-color-active)
    background: var(--posbutton-background-active) /* webkit */
    box-shadow: 1px 1px 1px rgba(255,255,255,0.1) /* CSS3 */

#pageContainer
    @include flex
    height: 100vh

.posButton, .posHeader
    @include flex
    text-align: center
    cursor: default

.posButton.active, .posButton:active
    border: inset 2px