.overlay {
    background-color: #f9f9f900;
}
.site-title a, .site-title a:hover {
    color: #252525;
}
.site-header.fixed {
    position: initial;
}
.site-header {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    padding: 20px 0;
    -webkit-transition: all 0.3s ease-out;
    -moz-transition: all 0.3s ease-out;
    -ms-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
}
article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section, summary {
    display: table;
}
.header-image {
    background-image: url(https://comunidad.udistrital.edu.co/cihem/files/2019/06/image-1.png);
    display: flex;
}
.btn-menu {
    float: none;
    font-size: 28px;
    font-family: "FontAwesome";
    color: #252525;
    text-align: center;
    width: 28px;
    height: 28px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease-out;
    -moz-transition: all 0.3s ease-out;
    -ms-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
}
#mainnav ul li a, #mainnav ul li::before {
    color: #000000;
}

element.style {
}