// positioning

@mixin inline-block( $vertical-align: middle ) {
    display: inline-block;
    *display: inline;
    *zoom: 1;
    vertical-align: $vertical-align;
}


// css triangles

@mixin triangle( $size: 7px, $position: "bottom", $color: #999 ) {
    height: 0;
    width: 0;
    border-style: solid;
    border-width: $size;
    @if $position == "bottom" {
        border-color : transparent transparent $color transparent;
    }
    @if $position == "top" {
        border-color :  $color transparent transparent transparent;
    }
    @if $position == "left" {
        border-color : transparent transparent transparent $color;
    }
    @if $position == "right" {
        border-color : transparent $color transparent transparent;
    }
}

@mixin dotted-x($position: top) {
    background-image: url('../img/dotted-x.png');
    background-position: $position;
    background-repeat: repeat-x;
}

@mixin dotted-y($position: left) {
    background-image: url('../img/dotted-y.png');
    background-position: $position;
    background-repeat: repeat-y;
}

// css3

@mixin box-sizing( $property: "border-box" ) {
    -webkit-box-sizing: $property;
    -moz-box-sizing: $property;
    box-sizing: $property;
}

@mixin linear-gradient($start-color: #222, $end-color: #000 ) {
   background-color: $end-color;
   background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, from($start-color), to($end-color));
   background-image: -webkit-linear-gradient(top, $start-color, $end-color);
   background-image: -moz-linear-gradient(top, $start-color, $end-color);
   background-image: -ms-linear-gradient(top, $start-color, $end-color);
   background-image: -o-linear-gradient(top, $start-color, $end-color);
}

@mixin rounded( $radius: 5px ) {
  -moz-border-radius: $radius;
  border-radius: $radius;
}

@mixin rounded-side($horizontal, $vertical, $magnitude) {
  border-#{$vertical}-#{$horizontal}-radius: $magnitude;
  -moz-border-radius-#{$vertical}#{$horizontal}: $magnitude;
  -webkit-border-#{$vertical}-#{$horizontal}-radius: $magnitude;
}

@mixin text-shadow($horizontal: 1px, $vertical: 1px, $magnitude: 1px, $color: #888) {
   text-shadow: $horizontal $vertical $magnitude $color;
}

@mixin transition($property, $time: 0.25s) {
    -webkit-transition: $property $time ease-in-out;
    -moz-transition: $property $time ease-in-out;
    -o-transition: $property $time ease-in-out;
    -ms-transition: $property $time ease-in-out;
    transition: $property $time ease-in-out;
}

@mixin inner-shadow($horizontal: 5px, $vertical: 5px, $magnitude: 5px, $color: #888) {
    -moz-box-shadow: inset $horizontal $vertical $magnitude $color;
    -webkit-box-shadow: inset $horizontal $vertical $magnitude $color;
    box-shadow: inset $horizontal $vertical $magnitude $color;
}

@mixin box-shadow($horizontal: 5px, $vertical: 5px, $magnitude: 5px, $color: #888) {
    -moz-box-shadow: $horizontal $vertical $magnitude $color;
    -webkit-box-shadow: $horizontal $vertical $magnitude $color;
    box-shadow: $horizontal $vertical $magnitude $color;
}