* {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, serif;
}

header {
    text-align: center;
    padding: 30px;
}

img {
    width: 100%;
    height: 100%;
}

h5 {
    color: #51ADDA;
}

h5#important {
    color: #EA141D;
}


div.col-lg-5 {
    text-align: center;
}

.mt {
    margin-top: 2%;
}

.mt-30 {
    margin-top: 30px;
}

.mt-50 {
    margin-top: 50px;
}
.mt-200 {
    margin-top: 200px;
}

/*navbar*/

#logo {
    width: 80px;
    height: 70px;
}

.navbar-expand-lg .navbar-nav .nav-link {
    font-size: 1.2rem;
    padding: 0 50px; !important;
}

.navbar-expand-lg .navbar-collapse {
    flex-direction: column;
    justify-content: space-between;
}

.navbar {
    background-color: #51ADDA
}

.nav-link {
    color: white!important;
}

.nav-link:hover {
    color: #EA141D!important;
}

.navbar-toggler {
    background-color: transparent;
    border: 1px solid darkslategray!important;
}

a {
    color: #51ADDA;
}


span {
    padding: 0 10px;
}

#logo-fnr {
    padding: 20px 40px;
    width: 100%;
    height: 100%;
}

#logo-dmath, #logo-unilu {
    padding: 0 40px;
    width: 100%;
    height: 100%;
}



@media (max-width: 767px) {
    #logo-centered {
        text-align: center;
        display: flex;
        flex-direction: column;
    }
    #logo-unilu, #logo-dmath {
        padding-top: 30px;
    }
    #logo-fnr {
        padding: 0 40px;
    }
    #img-belval {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    #logo-centered {
        text-align: center;
        display: flex;
        flex-direction: column;
    }
    #logo-dmath, #logo-unilu {
        width: 70%;
        height: 90%;
        padding: 20px 0;
    }
    #logo-fnr {
        width: 70%;
        height: 90%;
        padding: 20px 0;
    }
}

@media (min-width: 1024px) and (max-width: 1200px) {
    #logo-centered {
        text-align: center;
        display: flex;
        flex-direction: column;
    }
    #logo-fnr, #logo-dmath, #logo-unilu {
        width: 50%;
        height: 90%;
        padding: 30px 0;
    }
}





div.date {
	font-weight: bold;
	margin-bottom: 1em;
}

div.speaker-title {
	margin-top: .5em;
	margin-bottom: .5em;
}

span.speaker {
	font-weight: bold;
    color: #51ADDA
}

span.title {
	font-style: italic;
}

div.abstract {
	margin-top: .5em;
}

span.abstract {
	font-weight: bold;
}