.homepage-main-banner {
    position: relative;
    z-index: 1;
}

    .homepage-main-banner .banner-link {
        display: inline-block;
        width: 100%;
    }
    
        .homepage-main-banner .banner-image {
            width: 100%;
            vertical-align: top;
        }
    
    .homepage-main-banner .button-left,
    .homepage-main-banner .button-right {
        position: absolute;
        z-index: 10;
        top: 50%;
        width: 30px;
        height: 40px;
        transform: translateY(-50%);
        line-height: 40px;
        font-size: 32px;
        text-align: center;
        opacity: 0.5;
    }
    
    .homepage-main-banner .button-left {
        left: 15px;
    }
    
    .homepage-main-banner .button-right {
        right: 15px;
    }