body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f8ff;
    color: #333;
    margin: 0;
    padding: 0;
}

header {
    background-color: #4caf50;
    color: white;
    text-align: center;
    padding: 10px 0;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

h1 {
    font-size: 2.5em;
    margin: 0.5em 0;
}

p {
    font-size: 1.2em;
    line-height: 1.6;
    margin: 0.5em 0;
}

a {
    color: #4caf50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

nav {
    margin: 15px 0;
}

.nav-item {
    display: inline;
    margin-right: 20px;
}

.nav-item:last-child {
    margin-right: 0;
}

button {
    background-color: #4caf50;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
}

button:hover {
    background-color: white;
    color: black;
    border: 2px solid #4caf50;
}

.froge-icon {
    width: 50px;
    height: auto;
}