.tools {
    width: auto;
    z-index: 125;
    line-height: 0px;
    padding:2px;
}

#presentationcontrol {
    position: absolute;        
    right: 0px;
    bottom: 0px;
}

#versionlist {
    position: absolute;        
    left: 2px;
    bottom: 2px;
}

#videocontrol {
    position: absolute;
    right: 0px;
    bottom: 0px;
}

#viewcontrol {
    position: absolute;
    left: 0px;
    bottom: 0px;
}

a.tool {
    display: none;
    margin: 2px;
}



a.tool img {
    width: 32px; 
    height: 32px; 
    opacity: 0.8;
}

    

@media (min-width: 960px) {  
        a.tool img {
                width: 48px; 
                height: 48px; 
        }
}