#masthead {
  opacity: 1;
}

.main-navigation a:hover {
color: #134567;
}

.home #colophon {
   display: none;
}

.blog .hentry a .attachment-post-thumbnail,
.archive .hentry a .attachment-post-thumbnail,
.search .hentry a .attachment-post-thumbnail {
        border-radius: 180px;
        filter: none;
        -webkit-filter: none;
        -webkit-filter: none; /* Older versions of webkit */
        -moz-filter: none;
        -o-filter: none;
        -ms-filter: none; /* IE 10 */
        filter: none; /* IE 9 */
        opacity: 1;
}

.blog .hentry a:hover img,
.archive .hentry a:hover img,
.search .hentry a:hover img {
        filter: grayscale(100%);
        -webkit-filter: grayscale(100%);
        -webkit-filter: grayscale(1);
        -moz-filter: grayscale(100%);
        -o-filter: grayscale(100%);
        -ms-filter: grayscale(100%);
        opacity: .8;
        -webkit-opacity: .8;
        -moz-opacity: .8;
}