.root {
    -fx-base: rgb(215, 232, 218);
    -fx-background: rgb(242, 242, 242);

    /* make controls (buttons, thumb, etc.) slightly lighter */
    -fx-color: derive(-fx-base, 2.5%);

    /* text fields and table rows background */
    -fx-control-inner-background: rgb(200, 200, 200);
    /* version of -fx-control-inner-background for alternative rows */
    -fx-control-inner-background-alt: derive(-fx-control-inner-background, 10%);

    /* text colors depending on background's brightness */
    -fx-light-text-color: rgb(80, 80, 80);
    -fx-mid-text-color: rgb(20, 20, 20);
    -fx-dark-text-color: rgb(0, 0, 0);

    /*highlighting/accenting objects.  */
    -fx-accent: rgb(128, 128, 128);

    /* color of non-focused yet selected elements */
    -fx-selection-bar-non-focused: rgb(50, 50, 50);

    /*Focus colour*/
    -fx-focus-color: rgb(128, 128, 128);
}

/* Fix derived prompt color for text fields */
.text-input {
    -fx-prompt-text-fill: derive(-fx-control-inner-background, +0%);
    -fx-background-color: #a9a9a9, black, grey;
}

/* Keep prompt invisible when focused (above color fix overrides it) */
.text-input:focused {
    -fx-prompt-text-fill: transparent;
}

/* Fix scroll bar buttons arrows colors */
.scroll-bar > .increment-button > .increment-arrow,
.scroll-bar > .decrement-button > .decrement-arrow {
    -fx-background-color: -fx-mark-highlight-color, rgb(255, 255, 255);
}

.scroll-bar > .increment-button:hover > .increment-arrow,
.scroll-bar > .decrement-button:hover > .decrement-arrow {
    -fx-background-color: -fx-mark-highlight-color, rgb(255, 255, 255);
}

.scroll-bar > .increment-button:pressed > .increment-arrow,
.scroll-bar > .decrement-button:pressed > .decrement-arrow {
    -fx-background-color: -fx-mark-highlight-color, rgb(255, 255, 255);
}

#arrowImage {
    -fx-graphic: url("/visualiser/images/arrow.png");
}

#nextButton {
    -fx-background-image: url("/visualiser/images/ArrowRoundRight.png");
    -fx-background-size: 60px;
    -fx-background-repeat: no-repeat;
    -fx-background-position: center center;
    -fx-focus-color: transparent;
    -fx-background-color: transparent;
}
#nextButton:pressed {
    -fx-background-image: url("/visualiser/images/ArrowRoundRightClicked.png");
    -fx-background-size: 60px;
    -fx-background-repeat: no-repeat;
    -fx-background-position: center center;
    -fx-focus-color: transparent;
    -fx-background-color: transparent;
}

#previousButton {
    -fx-background-image: url("/visualiser/images/ArrowRoundLeft.png");
    -fx-background-size: 60px;
    -fx-background-repeat: no-repeat;
    -fx-background-position: center center;
    -fx-focus-color: transparent;
    -fx-background-color: transparent;
}
#previousButton:pressed {
    -fx-background-image: url("/visualiser/images/ArrowRoundLeftClicked.png");
    -fx-background-size: 60px;
    -fx-background-repeat: no-repeat;
    -fx-background-position: center center;
    -fx-focus-color: transparent;
    -fx-background-color: transparent;
}