html {
    height: 100%;
}
body {
    font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    height: 100%;
    margin: 0;
}

a {
    color: #FFFFFF;
}

h4, h5, h6 {
    font-weight: normal;
}

#about-jumbotron {
    text-align: center;
}

#about-jumbotron a:hover {
    color: #444444;
}

#about-jumbotron h2, h3 {
    font-weight: 300;
}

#about-title {
    color: #FFFFFF;
    margin-top: 0;
    padding-top: 25%;
}

#books-carousel {
    text-align: center;
}

.book-container {
    display: inline-block;
    margin: 0 20px;
    vertical-align: top;
    width: 250px;
}

.book-container .book-cover-img {
    -webkit-box-shadow: 3px 5px 10px 0px rgba(101,101,101,1);
    -moz-box-shadow: 3px 5px 10px 0px rgba(101,101,101,1);
    box-shadow: 3px 5px 10px 0px rgba(101,101,101,1);
    max-height: 350px;
    max-width: 250px;
}

.center-align {
    text-align: center;
}

.column-left, .column-right {
    width: 50%;
}

.footer {
    background-color: #444444;
    padding: 15px;
    text-align: center;
}

.footer .copyright-text {
    color: #FFFFFF;
    margin: 5px 0;
}

.jumbotron {
    background: rgb(91,197,255);
    background: linear-gradient(180deg, rgba(91,197,255,1) 0%, rgba(33,177,255,1) 100%);
    min-height: 100%;
    min-width: 100%;
}

.book-title-text-container {
    font-style: italic;
}

.book-title-text-container .book-title,
.book-title-text-container .book-subtitle {
    font-weight: 300;
    margin-bottom: 10px;
}

.book-title-text-container .book-subtitle {
    margin-top: 10px;
}

.book-title-text-container .book-author {
    font-weight: lighter;
    margin-bottom: 10px;
    margin-top: 10px;
}

.book-title-text-container {
    color: white;
}

.site-title-header {
    color: white;
    text-align: center;
}

.site-title-header {
    margin-bottom: 30px;
    margin-top: 0;
    padding-top: 60px;
}

@media only screen and (max-width: 500px) {
    #about-title {
        padding-top: 55%;
    }
}

@media only screen and (min-width: 500px) and (max-width: 800px) {
    #about-title {
        padding-top: 40%;
    }
}

@media only screen and (min-width: 800px) and (max-width: 1000px) {
    #about-title {
        padding-top: 30%;
    }
}

@media only screen and (min-width: 1440px) {
    #about-title {
        padding-top: 20%;
    }
}

@media only screen and (max-width: 600px) {
    .book-container {
        margin: 20px;
    }

    .column-left, .column-right {
        width: 100%;
    }

    .book-title-text-container {
        padding-top: 0;
        padding-left: 0;
    }
}