custom fade in/out and grayscale/color for tumblr themes

/* GRAYSCALE/HOVER EFFECTS */
img{
    opacity: 0.6;

}
img:hover{
    opacity: 1
    }

img{
-webkit-filter: grayscale(100%);

z-index: .99999999999999px;

-webkit-transition: all 0.6s ease-in-out;

-moz-transition: all 0.6s ease-in-out;

-o-transition: all 0.6s ease-in-out;

-ms-transition: all 0.6s ease-in-out;

transition: all 0.6s ease-in-out;

}

img:hover{
    -webkit-filter: saturate(100%);

z-index: .99999999999999px;

-webkit-transition: all 0.6s ease-in-out;

-moz-transition: all 0.6s ease-in-out;

-o-transition: all 0.6s ease-in-out;

-ms-transition: all 0.6s ease-in-out;

transition: all 0.6s ease-in-out;
}

/* END GRAYSCALE/HOVER EFFECTS */