:root {
    --blue-gray-50: #ECEFF1;
    --blue-gray-100: #CFD8DC;
    --blue-gray-200: #B0BEC5;
    --blue-gray-300: #90A4AE;
    --blue-gray-400: #78909C;
    --blue-gray-500: #607D8B;
    --blue-gray-600: #546E7A;
    --blue-gray-700: #455A64;
    --blue-gray-800: #37474F;
    --blue-gray-900: #263238;

    /* Corresponds with Bootstrap breakpoints */
    --small-screen-breakpoint: 576px;
    --medium-screen-breakpoint: 768px;
}

html {
    height: 100%;
}

body {
    height: 100%;
    background-color: var(--blue-gray-700);
}

.no-gutters {
    margin-right: 0;
    margin-left: 0;
    padding-left: 0;
    padding-right: 0;
}

.nav-bar {
    background-color: white;
    padding: 0 1em 0 1em;
}
    .nav-bar a {
        color: var(--blue-gray-900);
    }

.mobile-apps-hero {
    height: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    color: white;
    position: relative;
    text-align: center;
}
    .mobile-apps-hero h1 {
        font-size: 2em;
        padding: .5em .5em 0;
    }
    .mobile-apps-hero h2 {
        padding: .5em .5em 0;
        font-size: 1.5em;
    }

.webp .mobile-apps-hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("hero-image.webp");
}

.no-webp .mobile-apps-hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("hero-image.png");
}

@media all and (min-width: 768px) {
    .mobile-apps-hero {
        text-align: left;
    }
        .mobile-apps-hero h1 {
            font-size: 2.5em;
            padding: 0;
        }
        .mobile-apps-hero h2 {
            font-size: 2em;
            padding: 1em 0 0 0;
        }
}

.welcome-message {
    height: 100%;
}
    .welcome-message h1 {
        text-align: center;
    }

.workout-list-image-container {
    padding: 1em 0;
    text-align: center;
}

.workout-list-image {
    max-width: 300px;
    width: 100%;
}

.mobile-app-download-links-container {
    padding: 1em 0;
}

.get-it-on-google-play {
    width: 200px;
}

.download-on-app-store {
    width: 155px;
    margin: 0 0 13px 0;
}

#ios-user-email {
    border: 1px solid var(--blue-gray-700);
    border-radius: 8px;
    margin-top: 1em;
    padding: 4px;
    width: 100%;
}