.happy{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
}

.happy>img{
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}

.closeBox{
    position: absolute;
    z-index: 2;
    top: 1%;
    left: 1%;
    width: 30px;
    height: 35px;
    cursor: pointer;
}

.closeBox>img{
    width: 100%;
    height: 100%;
}

.happyBg{
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    background: #000;
    z-index: 3;
    width: 20%;
    height: 5%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    opacity: .8;
    border-radius: 5px;
}