.header {
    background: #fff;
    width: 100%;
    height: 80px;
    box-shadow: 0 10px 10px #ccc;
    padding: 0 80px;
}

.header-logo img {
    height: 54px;
}

.header-nav {
    width: 800px;
}

.header-nav a {
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: max-content;
    padding: 0 20px;
    height: 40px;
    font-size: 18px;
}

.header-nav a.active {
    color: #3e70ff;
    font-weight: bold;
    font-size: 22px;
}

.header-nav a.to-admin {
    background: #3e70ff;
    color: #ffffff;
    border-radius: 10px;
}

.footer {
    height: 40px;
    background: #333;
    color: #fff;
}

.footer a {
    color: #fff;
    padding: 0 10px;
}

.banner {
    width: 100%;
}

.banner>img {
    display: block;
    width: 100%;
    height: auto;
}

.rank {
    position: fixed;
    right: 30px;
    bottom: 100px;
    z-index: 19;
}

.rank img {
    width: 100px;
    height: auto;
}