* {
    margin: 0;
    padding: 0;
}

body {
    background-image: url(https://s1.ax1x.com/2020/07/15/UwKIJg.png);
}

.header {
    height: 40px;
    background-color: skyblue;
    border-bottom: 2px solid black;
    


}

.header a {
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 10px;
    padding-top: 10px;
    line-height: 40px;
    text-decoration: none;
    color: white;
}

.header a:hover {
    background-color: black;
}

.banxin {
    width: 1200px;
    height: 400px;
    margin: 10px auto;
    /* background-color: pink; */
    text-align: center;
    margin-top: 45px;
}

.tiao {
    width: 700px;
    height: 40px;
    vertical-align: top;
    font-size: 20px;
    
}



.niu:hover {
    background-color: rgb(22, 4, 124);
}

.niu {
    height: 40px;
    width: 82px;
    margin-left: -6px;
    background-color: #4662D9;
    border: 1px none;
    color: white;

}


li {
    list-style: none;

}

li:hover {
    background-color: rgba(197, 193, 193, 0.5);

}

.wrapper {
    position: absolute;
    margin-left: -260px;
    left: 50%;
    top: 30%;
}

#btn {
    width: 560px;
    padding: 10px 10px;
    border: 1px solid rgb(45, 129, 240);
}

#ul {
    width: 560px;
    /* margin: 0px auto; */
    border: 1px none #ddd;
    /* border-top: 0; */
    font-size: large;
    /* text-align: left; */
    /* padding-left: 285px; */
    background-color: rgba(255, 255, 255, 0.5);
    margin-left: 280px;
    


}

.zi {
    text-align: left;
}

.zi li {
    padding: 5px auto;
}

.zi li a {
    color: rgb(5, 0, 0);
    font-family: 华文新魏;
    text-indent: 1em;
    text-decoration: none;
    padding-top: 5px;
    padding-bottom: 5px;
    padding-left: 5px;
    padding-right: 480px;


}

.footer {

    background-color: rgba(10, 1, 1, 0.7);
    width: 100%;
    position: fixed;
    bottom: 0px;
    color: white;
    text-align: center;
    z-index: -8;
    

}

.footer h3 {
    line-height: 100px;
}

.footer a {
    text-decoration: none;
    color: hotpink;
}

.pp img {
    width: 110px;
    /* margin-left: 400px; */
    float: right;
    margin-top: -100px;
}

span {
    line-height: 1px;
    font-weight: bolder;

}