body{header {
        width: 99.3%;
        background-color: #3b3f5f6e;
        padding: 15px;
        box-shadow: 0 6px 6px #00000041;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 25px;
        margin: -9px;

        a {
            color: rgb(255, 255, 255);
            text-decoration: none;
        }
    }

    .main {
        text-align: center;
        width: 100%;
    }

    #Hello {
        margin-top: 60px;
        font-size: 50px;
        width: 90%;
    }

    #readme {
        font-size: 30px;
        width: 90%;
    }

    #start {

        font-size: 250%;
        -webkit-text-stroke-color: #000000;
        -webkit-text-stroke-width: 2px;
        padding: 1px 1px;
        margin: 1px 0;
        border: double 5px #000000;
        padding: 0;
        margin: 0 auto;
        background-color: #ffffff;
        padding-top: 10px;
        padding-bottom: 8px;
        width: 7em;
        margin-top: 70px;

        a {
            color: rgba(68, 68, 68, 0.767);
            text-decoration: rgb(0, 0, 0);
            display: block;
            padding-top: 10px;
            padding-bottom: 8px;
            width: 7.2em;

        }
    }

    .links {
        float: left;
        width: 12%;
        height: 85%;
        box-shadow: 3px 9px 2px #99999999;
        font-size: 22px;
        text-align: center;

        a {
            color: #000000;
            text-decoration: none;
        }
    }

    #lan_jp {
        margin-top: 30px;
    }

    #links_top {
        margin-top: 25px;
        margin-bottom: 25px;
    }

    #side_main {
        margin-top: 15px;
        margin-bottom: 15px;
        font-size: 20px;

        a {
            color: #525252;
            text-decoration: none;
        }
    }

    #side_start {
        margin-top: 15px;
        margin-bottom: 15px;
        font-size: 18px;

        a {
            color: #727272;
            text-decoration: none;
        }
    }

    #side_rule {
        margin-top: 15px;
        margin-bottom: 15px;
        font-size: 18px;

        a {
            color: #727272;
            text-decoration: none;
        }
    }

    #side_tools {
        margin-top: 15px;
        margin-bottom: 15px;
        font-size: 18px;

        a {
            color: #727272;
            text-decoration: none;
        }
    }

    #side_site {
        position: absolute;
        bottom: 50px;
        margin-left: 45px;
        font-size: 18px;
        text-align: center;

        a {
            color: #31573e;
            text-decoration: none;
        }
    }

    #footer {
        width: 100%;
        height: 25px;
        background-color: #c9c9c9;
        margin: 0 auto;
        margin-left: -20px;
        display: flex;
        justify-content: center;
        align-items: center;
        bottom: 0;
        position: fixed;
        padding: 20px;
    }
}