header{
       font-family: "Kosugi Maru", sans-serif;
       background-image: url("./地球.jpg");
       color: white;
       padding-left: 50px;
       padding-top: 80px;
       height: 200px;
}


body{
    font-family: "Kosugi Maru", sans-serif;
    font-weight: 400;
    font-style: normal;
    color: #2f344f;
    background-color: rgb(229, 240, 246);
    width: 1100px;
    margin: 0 auto;
    }


    h3{
        margin-bottom: 30px;
    }
    
    .contact{
        background-color: #dfb407f3;
        padding: 15px;
        text-decoration: none;
        color: whitesmoke;
        border-radius: 18px;
        box-shadow: 2px 2px lightgray;
        margin-left: 50px;
        }
    
    .top{
        margin-left: 20px;
    }

    p{
        margin-left: 30px;
    }

    .title{
        margin-left: 20px;
        margin-top: 30px;
        background-color: #204954;
        color: white;
        padding-left: 15px;
        padding-top: 10px;
    }

    table{
        margin-left: 30px;
    }

    th{
        width: 100px;
    }

    td{
        padding-left: 10px;
    }

    ul{
        margin-left: 20px;
        list-style: none;
        border-bottom: solid 1px #7f8c8d;
    }

    .program{
        margin-left: 50px;
    }

    .a{
        width: 120px;
    }

    .b{
        width: 380px;
    }

    .d{
        width: 350px;
        border: 2px solid #7f8c8d;
    }

    .e{
        width: 170px;
        border: 2px solid #7f8c8d;
    }

    .f{
        width: 170px;
        border: 2px solid #7f8c8d;
    }

    .entry{
        border: 2px solid #7f8c8d;
        border-collapse: collapse;
        margin-left: 50px;
    }

    .an{
        margin-left: 50px;
    }

    .g{
        padding-left: 20px;
    }

    .note{
        color: red ;
        margin-left: 50px;
    }