* {
    font-family: cursive, Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    
}

/* Header Start */
header {
    background: rgba(34, 34, 34, 0.6);
    height: 90px;

    text-align: center;
}

header nav {
    padding: 30px;
}
header nav ul {
    margin: 0;
    padding: 0;

}
header nav ul li {
    list-style-type: none;
    display: inline-block;

    margin-right: 5px;
}

/*
@media screen and (max-width:700px) {
    header {
        height: 280px;
        text-align: justify;
    }
    header nav {
        padding: 20px;
    }
    header nav ul li {
        text-align: center;

        list-style-type: none;
        display: flex;
        flex-direction: column;

        margin-bottom: 10px;
    }
}
*/
header nav ul li a {
    text-decoration: none;

    font-size: 20px;
    font-weight: 800; /* normal size 400 */
    color: rgb(195,195,195);
    background-color: ;

    padding: 5px 15px;
    border-radius: 20px;

    border: 2px solid rgb(195,195,195);
}
header nav ul li a:hover {
    color: #004198;
    font-weight: 800;
    background-color: white;
    border: 2px solid #004198;
}
header nav ul .logo {
    background: white;
    
    border-radius: 20px;
    border: 2px solid #004198;

    background-image: url("../photos/logos/bolon-db.svg");
    background-repeat: no-repeat;
    background-position: 16px -45px;

    display: inline-block;
    width: 150px;

    text-indent: -999999px;

    padding: 5px;

}
@media screen and (max-width:700px) {
    header {
        height: 280px;
        text-align: justify;

        background-image: url(../photos/fly.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: ;
        
    }
    header nav {
        padding: 20px;
    }
    header nav ul li {
        display: flex;
        flex-wrap: wrap;

        margin-bottom: 10px;
    }
    header nav ul li a {
        background: rgba(255,255,255,0.2);
        border: 2px solid #004198;
        color:  #004198
    }
    header nav ul li a:hover {
        background: #004198;
        border: 2px solid #004198;
        color:  white;
    }

    
}
/* Header End */

/* section start */
section video {
    width: 100%;

    position: absolute;
    bottom: 0;

    z-index: -100;
}
@media screen and (max-width: 700px) {
    section video {
        display: none;
    }
}
/* 背景音乐 */
section #musics {
    padding: 10px;

    border: 2px solid #004198;
    border-radius: 50px;

    width: 350px;
    margin: 40px auto auto 200px;

    background-color: rgba(195,195,195,0.4);

    text-align: center;

    font-size: 20px;
    color: #004198;
    font-family: cursive, Microsoft YaHei;
}
@media screen and (max-width: 700px) {
    section #musics {
        display: none;
    }
}
section #self-intro {
    margin: 10px auto auto 200px;
    padding: 10px;

    width: 350px;
    height: auto;

    background-color:  rgba(195,195,195,0.4);
  
    border-radius: 50px;
    border: 2px solid #004198;

    text-align: center;
    font-size: 20px;
    color: #004198;
    font-family: cursive, Microsoft YaHei;
}
@media screen and (max-width: 700px) {

    section #self-intro {
        width: 300px;
        margin: 10px auto 10px auto;
        /* height: 700px; */
    }
}
section #self-intro p {
    margin: 20px 0;
}
section #self-intro h1 {
    font-size: 30px;
    margin: 20px;
}
section #self-intro p strong {
    font-size: 24px;
}

section #self-intro ul {
    margin: 20px 0;

}
section #self-intro ul li {
    list-style-type: none;
    display: inline-block;
}
section #self-intro ul li img {
    width: 50px;
    height: 50px;


}
section #self-intro ul li img:hover {
    border-radius: 15px;
    background-color: white;
}

/* section start */