.banner 
{
    width: 100%;
    height: 100vh;
}
.menus
{
    width: 100%;
    height: 60px;
    line-height: 60px;
    background-color: burlywood;
    margin-top: -5px;
}
.menus a
{
    text-decoration: none;
    font-size: 23px;
    width: calc(100% / 5.2);
    display: inline-block;
    text-align: center;
    color:white;
}
.footer
{
    width: 100%;
    background-color: burlywood;
    height: 120px;
    color: white;
    text-align: center;
    font-size: 23px;
}
body
{
    border: 20px solid burlywood;
    padding: 10px;
    font-family: 宋体;
}
img
{
    object-fit: cover;
}
.title
{
    width: 100%;
    height: 60px;
    line-height: 60px;
    background-color: burlywood;
    color: white;
    font-size: 23px;
    text-indent: 2em;
    margin: 1% 0px;
}