.banner-app-container {
    position: relative;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    max-width: 100vw;
    overflow: hidden;
    margin-top: 0 !important;
}
.banner-app-container img {
    width: 100vw;
    height: 350px;
    object-fit: cover;
    filter: brightness(0.7);
    display: block;
}
.banner-text {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    position: absolute;
    width: 100%;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    z-index: 2;
    padding-left: 3rem;
    padding-right: 3rem;
    text-align: center;
    padding-top: 2rem;
    padding-bottom: 2rem;
}
.card {
    border-radius: 1.5rem !important;
}
.card-body {
    border-radius: 1.5rem !important;
}
section {
    padding-top: 2rem;
    padding-bottom: 2rem;
}
.banner-text h1 {
    margin-top: 1.5rem;
}
.banner-text .btn {
    margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
    .banner-app-container img {
        height: 200px;
    }
    .banner-text h1 {
        font-size: 1.5rem;
        margin-top: 1rem;
    }
    .banner-text {
        padding-left: 1rem;
        padding-right: 1rem;
        text-align: center;
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
        min-height: 15vh;
    }
    .banner-text .btn {
        padding-top: 0.8rem;
        padding-bottom: 0.8rem;
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
}
header, .navbar {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}
.navbar-nav .nav-link {
    text-decoration: none !important;
}
.navbar-nav .nav-link.active, .navbar-nav .nav-link:focus, .navbar-nav .nav-link:hover {
    text-decoration: none !important;
}
header nav a.text-white {
    text-decoration: none !important;
}
header nav a.text-white:hover, header nav a.text-white:focus {
    text-decoration: none !important;
}
html, body {
    height: 100%;
}
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main.container {
    flex: 1 0 auto;
}
footer {
    flex-shrink: 0;
}
footer a {
    text-decoration: none !important;
}
footer a:hover, footer a:focus {
    text-decoration: none !important;
}
footer select {
    background: #fff;
    color: #222;
    border: 1px solid #ccc;
    border-radius: 0.5rem;
    padding: 0.3rem 1.5rem 0.3rem 0.5rem;
}
footer option {
    color: #222;
}