* {
    margin: 0;
    padding: 0;
}

html,
body,
.bg2 {
    width: 100%;
    /* height: 100%; */
}
#btn {
    display: block;
    width: 120px;
    height: 40px;
    background: transparent;
    /* position: absolute; */
    bottom: 20px;
    border: none;
    border-radius: 6px;
    color: #fff;
    /* left: 8%; */
    /* box-shadow: 0px 8px 20px 0px #2190fd4d; */
    margin: 0 auto;
    position: absolute;
    z-index: 9;
    top: 8vw;
    right: 20vw;
}
#kf {
    display: block;
    width: 40px;
    height: 40px;
    background: transparent;
    /* position: absolute; */
    bottom: 20px;
    border: none;
    border-radius: 6px;
    color: #fff;
    /* left: 8%; */
    border: none;
    /* box-shadow: 0px 8px 20px 0px #2190fd4d; */
    margin: 0 auto;
    position: absolute;
    z-index: 9;
    top: 8vw;
    right: 6vw;
}
.bg1 {
    width: 12px;
    height: auto;
}
div {
    text-align: center;
    color: #777777;
    font-size: 13px;
    line-height: 2;
    margin-bottom: 20px;
}
p {
    text-align: center;
    font-size: 13px;
    line-height: 2;
    margin-top: 20px;
}