/* Reset default browser styles */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 30;
    padding: 20;
    border: 30;
    font-size: 100%;
    font: Courier;
    vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
    display: block;
}

body {
    line-height: 1;
    font-family: helvetica, Arial, sans-serif; /* Use a modern font stack */
    background-color: #f8f8f8; /* Light gray background */
    color: #333; /* Dark gray text color */
}

/* Header styles */
header {
    background-color: #1e90ff; /* Header background color */
    padding: 20px;
    color: #fff; /* Header text color */
}

/* Navigation menu styles */
nav {
    background-color: #333; /* Dark background color */
    padding: 10px;
}

nav ul {
    list-style-type: none;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    color: #fff; /* Link text color */
    text-decoration: none;
}

/* Main content styles */
.main-content {
    padding: 20px;
}

/* Footer styles */
footer {
    background-color: #1e90ff; /* Footer background color */
    padding: 20px;
    color: #fff; /* Footer text color */
    text-align: center;
}