img{
    padding: 0px;
    margin: 0;
    border: 0;
    font-size: 0;
}

#gallery {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-content: flex-end;
    align-items: center;
    justify-content: left;
}
#gallery img {
    -webkit-filter: brightness(100%);
    filter: brightness(100%);
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
}

#gallery img:hover {
    -webkit-filter: brightness(60%);
    filter: brightness(60%);
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
}
.portfolio-menu {
    padding-top: 15px;
    padding-bottom: 0px;
}
.portfolio-menu ul {
    padding: 0;
}
.portfolio-menu ul li {
    display: inline-block;
    border-radius: 0;
    margin: 0 0 5px 0;
    list-style: none;
    padding: 10px 15px;
    cursor: pointer;
    -webkit-transition: all 05s ease;
    -moz-transition: all 05s ease;
    -ms-transition: all 05s ease;
    -o-transition: all 05s ease;
    transition: all .5s ease;
    color: #aaa;
}
.mfp-with-zoom .mfp-container, .mfp-with-zoom.mfp-bg {
    opacity: 0;
    -webkit-backface-visibility: hidden;
    -webkit-transition: all 0.3s ease-out;
    -moz-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
}
.mfp-with-zoom.mfp-ready .mfp-container {
    opacity: 1;
}
.mfp-with-zoom.mfp-ready.mfp-bg {
    opacity: 0.8;
}
.mfp-with-zoom.mfp-removing .mfp-container,
.mfp-with-zoom.mfp-removing.mfp-bg {
    opacity: 0;
}