html { scroll-padding-top: 100px; }
body {
	color: #404040;
	font-family: sans-serif, Arial;
	line-height: 1.65;
	text-rendering: optimizeLegibility;
    position: relative;
}
.navbar {
    border-bottom: 1px solid #eee;
}
.navbar li {
  text-transform: uppercase;
}
h1, h2, h3 {
    text-transform: uppercase;
    color: #222;
}


.gallery img {
    margin-bottom: 30px;
    filter: grayscale(1);
    transition: all 0.5s ease;
}
.gallery img:hover {
    filter: grayscale(0);
}
#gallery-modal .modal-img {
    width: 100%;
}

#btn-back-to-top {
position: fixed;
bottom: 20px;
right: 20px;
display: none;
}