/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-margin-top: 50px;
}
     
body {
    font-family: Verdana, Geneva, Tahoma, sans-serif, sans-serif;
    line-height: 1.6;
    color: #333;
}
     
main { 
    background-blend-mode: soft-light;
    background-position: center;
} 

/* Header styles */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    border-bottom:10px solid black;
}
     
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
  
header img { max-height:50px; }
     
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.logo img { margin-right: 10px; }

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
    text-align:center;
}
     
.navbar-light .navbar-nav .nav-link {
    text-decoration: none;
    color: #333;
}
     
.navbar-light .navbar-nav  a.nav-link:hover {
    color: #dc3545;
}
  
/* Button styles */
.btn {
    font-family: Arial, Helvetica, sans-serif;
    display: inline-block;
    background-color: #fff;
    color: #dc3545;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #f8f9fa;
}

#top-of-page { 
    background-color:#555;
    color:white;
    font-weight: 900;
    position: -webkit-sticky;
    position: sticky;
    bottom:80px;
    left:95%;
    border-radius:1em;
    width:50px;
    height:50px;
}
     
/* Footer styles */
footer {
    background-color: #b1b1b1;
    text-align: center;
    padding: 2rem 0;
}

footer img { margin-bottom: 1rem; }
     
/* Responsive design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }

    nav ul {
        margin-top: 1rem;
    }

    nav ul li {
        margin-left: 10px;
        margin-right: 10px;
    }
}