.content {
    min-width: 1200px;
    overflow: hidden;
    background: pink;
    background: url(../img/anniversary/bj.png) no-repeat;
    background-size: cover;
}

.banner {
    width: 100%;
    margin-top: 60px;
    display: block;
}

.content img {
    display: block;
}

.font1 {
    width: 827px;
    padding-top: 20px;
    margin: 0 auto 61px;
}

.font3 {
    margin: 0 auto;
    display: inline-block;
}

.video-container {
    width: 690px;
    margin: 0 auto;
    position: relative;
}

.video_border {
    width: 690px;
    margin: 58px auto 121px;
}

video {
    object-fit: cover;
}

#my-video {
    position: absolute;
    top: 49px;
    left: 54px;
}

.envelope {
    position: relative;
}

.envelope img:first-child {
    width: 1168px;
    margin-left: calc(50% - 642px);
}

.envelope img:last-child {
    width: 757px;
    position: absolute;
    top: 65px;
    margin-left: calc(50% - 374px);
}

.content p {
    font-size: 13px;
    font-weight: bold;
    color: #FFFFFF;
    text-align: center;
    padding: 46px 0;
}

.content p a {
    color: #FFFFFF;
    cursor: pointer;
}