.banner-img {
    display: flex;
    align-items: center;
    justify-content: center;
}

.download{
    position: relative;
    top: 170px;
    right: 445px;
    width: 220px;
    height: 54px;
    font-size: 18px;
    line-height: 53px;
    text-align: center;
    border: 1px solid #ddd;
    background-color: white;
    border-radius: 30px;
    margin-right: 10px;
    z-index: 9999;
}

.download a {
    display: inline-block;
    height: 54px;
}

.download img {
    position: relative;
    top: -2px;
}

.download a:hover,a:focus{
    color: white;
    border-radius: 10px;
    text-decoration: none;
}