#div_btn_inner {
    /*按钮部分内层，用于定位*/

    color: white;

    text-shadow: 1px 1px 1px #000;

    width: 500px;

    padding-left: 430px;

}



.div_btn {

    position: fixed;

    cursor: pointer;

    width: 42px;

    height: 42px;

    border: 2px solid white;

    border-radius: 50%;

    font-size: 1em;

    line-height: 40px;

    text-align: center;

    z-index: 999;

}

#div_music {

    border: none;

    top: 30px;

}

#div_record {

    top: 100px;

    background-color: rgba(0, 0, 0, 0.5);

}

#div_support {

    top: 170px;

    background-color: rgba(0, 0, 0, 0.3);

}



.div_music_tips {

    position: fixed;

    top: 70px;

    z-index: 999;

}

.div_record_tips {

    position: fixed;

    top: 140px;

    z-index: 999;

}



.div_btn_big {

    position: fixed;

    cursor: pointer;

    width: 52px;

    background-color: rgba(112, 128, 144, 0.6);

    border-radius: 5px;

    padding: 10px 0px;

    font-size: 1.1em;

    line-height: 1.3em;

    text-align: center;

    z-index: 999;

}

#div_s_upload {

    top: 360px;

}

#div_s_sound {

    top: 440px;

}

#div_s_choose {

    top: 520px;

}

#div_s_qa {

    top: 600px;

}



@-webkit-keyframes music_play_rotate {

    0% {

        -webkit-transform: rotate(0deg);

    }

    100% {

        -webkit-transform: rotate(360deg);

    }

}

@-webkit-keyframes btn_rotate {
    /*帮助按钮的动画*/

    0% {

        -webkit-transform: rotate(0deg);

    }

    40% {

        -webkit-transform: rotate(0deg);

    }

    50% {

        -webkit-transform: rotate(30deg);

    }

    60% {

        -webkit-transform: rotate(0deg);

    }

    70% {

        -webkit-transform: rotate(30deg);

    }

    80% {

        -webkit-transform: rotate(0deg);

    }

    100% {

        -webkit-transform: rotate(0deg);

    }

}