NewsBlur/media/css/controls.css

ul.segmented-control {
    background-color: #595959;
    list-style-type: none;
    width: 120px;
    overflow: hidden;
    padding: 1px;
    margin: 0 auto;
    
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    
    -webkit-box-shadow: 0 1px 0 rgba(255, 255, 255, .15);
    -moz-box-shadow: 0 1px 0 rgba(255, 255, 255, .15);
    box-shadow: 0 1px 0 rgba(255, 255, 255, .15);
    clear: none;
}

.segmented-control li {
    background: none;
    background-color: #909090;
    float: left;
    margin-left: 1px;
    cursor: pointer;
    margin: 0;
    padding: 0;
}

.segmented-control li {
    background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, .1)), to(rgba(255, 255, 255, 0)));
    
    background-image: -moz-linear-gradient(0 0 -90deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, 0));
}

.segmented-control li {
    -webkit-box-shadow: inset 1px 1px 0 rgba(255, 255, 255, .1);
    -moz-box-shadow: inset 1px 1px 0 rgba(255, 255, 255, .1);
    box-shadow: inset 1px 1px 0 rgba(255, 255, 255, .1);
}

.segmented-control li:first-child {
    margin-left: 0;
    
    -webkit-border-top-left-radius: 3px;
    -webkit-border-bottom-left-radius: 3px;
    -moz-border-radius-topleft: 3px;
    -moz-border-radius-bottomleft: 3px;
    border-top-left-radius: 3px;
    border-bottom-left-radius: 3px;
}

.segmented-control li:last-child {
    -webkit-border-top-right-radius: 3px;
    -webkit-border-bottom-right-radius: 3px;
    -moz-border-radius-topright: 3px;
    -moz-border-radius-bottomright: 3px;
    border-top-right-radius: 3px;
    border-bottom-right-radius: 3px;
}

.segmented-control a {
    font-size: 12px;
    font-weight: bold;
    line-height: 24px;
    text-align: center;
    text-decoration: none;
    display: block;
    width: 70px;
    height: 25px;
}

.segmented-control a {
    color: #262626;
    text-shadow: 0 1px 0 rgba(255, 255, 255, .15);
}

.segmented-control li:active a {
    text-shadow: 0 1px 0 rgba(255, 255, 255, .1);
    position: relative;
    top: 1px;
}

.segmented-control li:active,
.segmented-control li.NB-active {
    background-image:
        -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, 0)), to(rgba(255, 255, 255, .1))),
        url(/media/img/reader/background-control.png);
    
    background-image:
        -moz-linear-gradient(0% 0% -90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .1)),
        url(/media/img/reader/background-control.png);
    
    background-color: #898989;
    
    -webkit-box-shadow: inset 0 1px 3px rgba(0, 0, 0, .15),
                        inset 0 0 5px rgba(0, 0, 0, .1);
    -moz-box-shadow: inset 0 1px 3px rgba(0, 0, 0, .15),
                     inset 0 0 5px rgba(0, 0, 0, .1);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, .15),
                inset 0 0 5px rgba(0, 0, 0, .1);
}

.segmented-control li:active {
    background-image:
        -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, .2)), to(rgba(255, 255, 255, .25))),
        url(/media/img/reader/background-control.png);
    
    background-image:
        -moz-linear-gradient(0% 0% -90deg, rgba(255, 255, 255, .2), rgba(255, 255, 255, .25)),
        url(/media/img/reader/background-control.png);
    
    -webkit-box-shadow: inset 0 1px 4px rgba(0, 0, 0, .15),
                        inset 0 0 5px rgba(0, 0, 0, .1);
    -moz-box-shadow: inset 0 1px 4px rgba(0, 0, 0, .15),
                     inset 0 0 5px rgba(0, 0, 0, .1);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, .15),
                inset 0 0 5px rgba(0, 0, 0, .1);
}


.segmented-control li.NB-active a {color: #fff; text-shadow: 0 1px 0 #000;}

.segmented-control li.NB-active:active {
    background-image:
        -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, 0)), to(rgba(255, 255, 255, .05))),
        url(/media/img/reader/background-control.png);
        
    background-image:
        -moz-linear-gradient(0% 0% -90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .05)),
        url(/media/img/reader/background-control.png);
    
    -webkit-box-shadow: inset 0 1px 3px rgba(0, 0, 0, .15),
                        inset 0 0 5px rgba(0, 0, 0, .15);
    -moz-box-shadow: inset 0 1px 3px rgba(0, 0, 0, .15),
                     inset 0 0 5px rgba(0, 0, 0, .15);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, .15),
                inset 0 0 5px rgba(0, 0, 0, .15);
}