body{
    background-color: #1d1d1d;
}

html,
body,
ul,
ol,
li,
p,
h1,
h2,
h3,
h4,
h5,
h6{
    color: white;
    margin: 0;
    padding: 0;
}
li{
    margin: 10px;
    font-size: 25px;
}
ul{
    list-style-type: none;
}

.title1{
    text-align: center;
    font-size: 40px;
}
.title2{
    text-align: center;
    font-size: 35px;
}
.roll{
    font-size: 30px;
}

.TextCenter{
    text-align: center;
}
.DivCenter{
    margin: auto;
}
.kaiti{
    font-family: "楷体";
    font-size: 25px;
}
.bottom{
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 10px;
    text-align: center;
}

a:link{
    color: #9c9c9c;
    text-decoration: underline;
}
a:visited{
    color: #9c9c9c;
}
a:hover{
    text-decoration: none;
}