QPushButton {
    /* Let's make the size of the button 1,5 times of font size. */
    min-height: 1.5em;
    /* Font size just 1.*/
    font: 1em;
    /* Margins so that we get a little space on the left and right. */
    margin: 0 1px 0 1px;
    /* The font color */ 
    color: white;
    /* Here's the background gradient with start point, end point, 
       stop "percentage" and color, stop percentage and color. */
    background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                      stop: 0 #2198c0, stop: 1 #0d5ca6);
    /* We'll round the borders. */
    border-style: outset;
    /* Round radius will be 3px */
    border-radius: 3px;
    /* Border is only one pixel */
    border-width: 1px;
    /* Border color is now set */
    border-color: #0c457e;
}
 
/* This is style when button is pressed */
QPushButton:pressed {
    /* We'll just invert the gradient by changing the colors around. */
    background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                      stop: 0 #0d5ca6, stop: 1 #2198c0);
}