.bg {
    width: 100%;
    height: 80%;
    background: url('../images/appImg.jpg') no-repeat center center;
    background-size: cover;
    display: flex;
    color: #fff;
    position: relative;
}

.appLogo {
    width: 15em;
    margin-bottom: 3em;
}

.itemButton {
    min-width: 7em;
    height: 2.5em;
    line-height:2.5em;
    background-color: #fff;
    color: #222;
    font-weight: bold;
    padding:0 1em;
    margin:0 1em;

}

.itemLogo {
    width: 1em;
    height: 1em;
    margin-right: 0.5em;
}

.itemContain {
    display: flex;
    
}