/* transitions.css */

a:link{
    transition: color 0.5s;
}
img{
    opacity: 0.25;
    transition: opacity 500ms;
}
 
img:hover{
    opacity: 1;
}


figure{
    position: relative;
}
figure img{
    position: absolute;
    top: 0;
    left: 0;

}
figure .visible {
    opacity: 1;
    transition: opacity 500ms;
}
figure .hidden{
    opacity: 0;
}

.invisible{
    opacity: 1;
}

figure:hover .hidden{
    opacity:1;

}
figure:hover .visible{
    opacity:0;
}