body {
    color: #fff;
    background-color: black;
    text-align: center;
}

h1{
    margin-top: 150px;
    font-family: '宋体';
}

img{
    width: 200px;
    margin-bottom: 50px;
}

a{
    color: #fff;
    font-weight: 600;
    padding: 10px 50px;
    border-radius: 10px;
    text-decoration: none;
    border: 2px solid #fff;
    transition: .2s;
}

a:hover{
    color: #000;
    padding: 8px 46px;
    background-color: #ccc;
}