Mini Shell

@open:'Open Sans', sans-serif;
@verdana:'Verdana', sans-serif;
@roboto:'Roboto Slab', serif;

.open(@size:15px,@color:#000,@weight:normal,@style:normal){
    font-family:@open;
    font-size:@size;
    font-weight:@weight;
    font-style:@style;
    color:@color;
}

.verdana(@size:15px,@color:#000,@weight:normal,@style:normal){
    font-family:@verdana;
    font-size:@size;
    font-weight:@weight;
    font-style:@style;
    color:@color;
}

.roboto(@size:15px,@color:#000,@weight:normal,@style:normal){
    font-family:@roboto;
    font-size:@size;
    font-weight:@weight;
    font-style:@style;
    color:@color;
}

.bg-pannel-link{
    background:url(../img/bgpannellinks.png) repeat-x;
}

/* MIXINS */
.border-radius(@radius:5px){
    border-radius:@radius;
    -moz-border-radius:@radius;
    -webkit-border-radius:@radius;
}

.text-shadow(@shadow:2px 2px 2px #CCC){
    text-shadow:@shadow;
    -moz-text-shadow:@shadow;
    -webkit-text-shadow:@shadow;
}

.box-shadow(@shadow:2px 2px 2px #CCC){
    box-shadow:@shadow;
    -moz-box-shadow:@shadow;
    -webkit-box-shadow:@shadow;
}

.box-sizing(@sizing:border-box){
    box-sizing:@sizing;
    -moz-box-sizing:@sizing;
    -webkit-box-sizing:@sizing;
}

.opacity(@opacity:1){
    @ie-opacity:@opacity*100;
    opacity:@opacity;
    -moz-opacity:@opacity;
    -webkit-opacity:@opacity;
    filter: ~"alpha(opacity = @{ie-opacity})";
}

.transition(@type:all .3s ease){
    -webkit-transition: @type;
    -moz-transition: @type;
    -o-transition: @type;
    transition: @type;
}

.rgba(@colour, @alpha){
    @alphaColour: hsla(hue(@colour), saturation(@colour), lightness(@colour), @alpha);
    @ieAlphaColour: argb(@alphaColour);     
    background-color: @colour;
    background-color: @alphaColour;     
    zoom: 1;
    background-color: transparent\9;
    -ms-filter:  "progid:DXImageTransform.Microsoft.gradient(startColorstr=@{ieAlphaColour}, endColorstr=@{ieAlphaColour})";
    filter: ~"progid:DXImageTransform.Microsoft.gradient(startColorstr=@{ieAlphaColour}, endColorstr=@{ieAlphaColour})";
}

.inline-block {
    display: -moz-inline-stack;
    display: inline-block;
    vertical-align: top;
    zoom: 1;
    display: inline;
}

.gradient(@startColor: #555, @endColor: #333) {
    background-color: mix(@startColor, @endColor, 60%);
    background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
    background-image: -ms-linear-gradient(top, @startColor, @endColor); // IE10
    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
    background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
    background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
    background-image: linear-gradient(top, @startColor, @endColor); // The standard
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down
}

.pb(@a:true){
    filter: none;
    -webkit-filter: grayscale(0%);
}

.pb(@a:true) when (@a=true){
    filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");
    filter: gray;
    -webkit-filter: grayscale(100%);
}

.pie {
    behavior: url('pie.htc');
}