@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');
body {
margin: 0;
padding: 0;
font-family: 'Roboto', sans-serif;
background-color: #f4f4f4;
}
header {
background-color: #333;
color: #fff;
padding: 20px;
text-align: center;
}
.top-menu {
background-color: #555;
}
.top-menu ul {
display: flex;
justify-content: center;
list-style: none;
margin: 0;
padding: 0;
}
.top-menu ul li {
margin: 0 15px;
}
.top-menu ul li a {
color: #fff;
text-decoration: none;
padding: 10px 15px;
display: block;
}
.top-menu ul li a:hover {
background-color: #777;
}
.container {
display: flex;
padding: 20px;
}
.side-nav {
width: 200px;
background-color: #ddd;
padding: 20px;
}
.side-nav ul {
list-style: none;
padding: 0;
}
.side-nav ul li {
margin-bottom: 10px;
}
.side-nav ul li a {
text-decoration: none;
color: #333;
display: block;
padding: 8px 10px;
background-color: #ccc;
}
.side-nav ul li a:hover {
background-color: #bbb;
}
main {
flex: 1;
padding: 20px;
background-color: #fff;
margin-left: 20px;
}
footer {
background-color: #333;
color: #fff;
text-align: center;
padding: 10px;
}