* {
    font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
}

#logo {
    width: 85px;
    height: 85px;
}

.navbar-light {
    min-height: 52px;
    background-color: #f8f8f8;
    border: 1px solid #e7e7e7;
}

.navbar-nav {
    column-gap: 8px;
}

.nav-link {
    font-size: 13px;
    text-transform: uppercase;
}

.navbar-toggler {
    font-size: 1rem;
}

.header-container {
    position: relative;
    top: 52px;
    margin-bottom: 48px;
}

.home-header {
    font-size: 5vw;
    text-align: center; 
    margin: 1em;
}

.header-img {
    border-bottom: 1px solid #e7e7e7;
}

.carousel-item img {
    max-height: 340px;
    margin: auto;
}

.about-container {
    text-align: justify;
    padding: 0 3em;
    margin: 0 auto;
}

#image-grid {
    margin-top: 1em;
    padding: 0 3em;
}

#image-grid > .row > div > a > img {
    border-radius: 8px;
}

.col-md-4 {
    margin-bottom: 13px;
}

#painting {
    margin: auto;
}

.paint-nav {
    font-size: 18px;
    text-decoration: none;
    color: #101010;
}

#prev-painting {
    float: left;
    margin-left: 3%;
}

#next-painting {
    float: right;
    margin-right: 3%;
}

/* Icon Back */
.hvr-icon-back {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    -webkit-transition-duration: 0.1s;
    transition-duration: 0.1s;
}

.hvr-icon-back .hvr-icon {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-transition-duration: 0.1s;
    transition-duration: 0.1s;
    -webkit-transition-property: transform;
    transition-property: transform;
    -webkit-transition-timing-function: ease-out;
    transition-timing-function: ease-out;
}

.hvr-icon-back:hover .hvr-icon, .hvr-icon-back:focus .hvr-icon, .hvr-icon-back:active .hvr-icon {
    -webkit-transform: translateX(-4px);
    transform: translateX(-4px);
}

/* Icon Forward */
.hvr-icon-forward {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    -webkit-transition-duration: 0.1s;
    transition-duration: 0.1s;
}

.hvr-icon-forward .hvr-icon {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-transition-duration: 0.1s;
    transition-duration: 0.1s;
    -webkit-transition-property: transform;
    transition-property: transform;
    -webkit-transition-timing-function: ease-out;
    transition-timing-function: ease-out;
}

.hvr-icon-forward:hover .hvr-icon, .hvr-icon-forward:focus .hvr-icon, .hvr-icon-forward:active .hvr-icon {
    -webkit-transform: translateX(4px);
    transform: translateX(4px);
}

/* Grow */
.hvr-grow {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    -webkit-transition-duration: 0.3s;
    transition-duration: 0.3s;
    -webkit-transition-property: transform;
    transition-property: transform;
}

.hvr-grow:hover, .hvr-grow:focus, .hvr-grow:active {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
}

#paypal-button-container {
    max-width: 250px;
    margin: 1em auto;
}

.form-group {
    max-width: 800px;
}

.page {
    display: flex;
    flex-direction: column;
}

.app-content {
    flex: 1;
    margin-top: 50px;
}

.carousel-container {
    width: 100%;
}

.footer {
    margin-top: 50px;
    font-size: 11px;
}

.login-link {
    position: relative;
    display: block;
    margin-top: 10px;
    margin-bottom: 10px;
}

.social-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 13px;
}

.fa-instagram {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.fa-etsy {
    border: #fd7e14 solid 1px;
    border-radius: 50%;
    background-color: #fd7e14;
    padding: 5px;
    color: white;
}

.fa-pinterest {
    color: red;
}

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

.fa-trash {
    color: red;
}

.fa-trash:hover {
    color: #B22222;
}

.copyright {
    margin: 13px 21px;
    text-align: center;
}

.thumbnail-container {
    display: flex;
    flex-direction: column;
    row-gap: 5px;
    align-items: center;
}

.img-thumbnail {
    width: 100px;
    height: 100px;
    object-fit: contain;
    opacity: 0.5;
}

.img-thumbnail:hover, .img-thumbnail:focus, .img-thumbnail.active {
    opacity: 1.0;
}

.img-thumbnail.active {
    border-color: #000;
}

.hvr-glow {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    -webkit-transition-duration: 0.3s;
    transition-duration: 0.3s;
    -webkit-transition-property: box-shadow;
    transition-property: box-shadow;
    border-radius: 8px;
}

.hvr-glow:hover, .hvr-glow:focus, .hvr-glow:active {
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
}

@media (min-width: 768px) {
    .navbar-center {
        position: absolute;
        left: 50%;
        transform: translatex(-50%);
    }

    .header-title h1 {
        font-size: 55px;
        letter-spacing: 0.47em;
    }

    .header-title h3 {
        font-size: 24px;
    }

    .home-header {
        font-size: 24px;
    }

    .carousel-item img {
        max-height: 510px;
    }

    .about-container {
        width: 750px;
    }
}

@media (max-width: 768px) {
    .painting {
        flex-direction: column;
    }

    .thumbnail-container {
        order: 2;
        flex-direction: row;
        column-gap: 5px;
        margin-top: 1rem;
    }
}