.o_form_view .o_notebook > .tab-content > .tab-pane {
    &:has(.o_mail_theme_selector) {
        padding: 0;
    }
}

// TODO EGGMAIL: maybe use bootstrap
.o_mail_theme_selector {
    display: block;
    font-size: 1rem;
    overflow: auto;
    background-color: $o-we-sidebar-bg;
    margin: 0;

    h5 {
        font-size: 14px;
        color: #ffffff;
    }

    .dropdown-item {
        padding: 10px 10px;
        &:first-child {
            display: none;
        }

        .o_thumb {
            display: none;
            background-size: cover;
            padding-top: 50%;
            border: 1px solid $o-we-border-color;

            &.logo {
                display: block;
            }
        }

        &:hover {
            background-color: $o-we-sidebar-bg;

            .o_thumb {
                border: 1px solid black;
            }
        }

        &:focus {
            background-color: $o-we-sidebar-bg;
        }

        &.selected .o_thumb {
            border: 2px solid $o-brand-odoo;
            background-color: $o-we-sidebar-bg;
        }
    }

    .dropdown-item {
        margin: 0;
        float: left;
        clear: none;
        width: 100%;
        transition: all 0.3s ease 0s;

        &:first-child {
            display: block;
        }

        .o_thumb {
            display: none;
            padding-top: 107%;
            border: 1px solid #4e525b;
            border-top: 1px solid $o-we-border-color;
            will-change: transform;
            backface-visibility: hidden;
            transition: all 0.3s ease 0s;

            &.small {
                display: block;
            }

            @media screen and (min-width: 900px) {
                &.small {
                    display: none;
                }
                &.large {
                    display: block;
                }
            }
        }

        &:hover {
            background-color: #3e3e46;
        }

        &.o_mass_mailing_themes_upgrade .o_thumb {
            position: relative;
            display: block;
            border: 1px dashed white;
            opacity: 0.2;

            > .fa {
                @include o-position-absolute(0, 0, 0, 0);
                text-align: center;
                font-size: 50px;
                color: white;

                &::before {
                    vertical-align: middle;
                }
                &::after {
                    content: "";
                    display: inline-block;
                    height: 100%;
                    vertical-align: middle;
                }
            }
        }
    }
    .o_mail_templates_grid {
        display: grid;
        grid-template-columns: repeat(5, 20%);
        grid-auto-rows: 1fr;
    }

    .o_mail_template_preview {
        color: #ffffff;
        cursor: pointer;
        padding: 10px 1.5rem;
        img {
            width: 100%;
            height: 100%;
        }
        i.fa-star {
            color: $o-main-favorite-color;
        }
        .o_mail_template_remove_favorite i {
            display:  none;
        }
        &:hover .o_mail_template_remove_favorite i {            
            display: block;
            &:hover {
                color: red;
            }
        }
    }

    .o_mail_favorite_preview_wrapper {
        display: inline-block;
        width: 100%;
        position: relative;
        flex-grow: 1;
        background-color: #e8ebee;
        overflow: hidden;

        .o_mail_favorite_preview {
            position: absolute;
            transform-origin: top left;
            overflow: hidden;
            white-space: wrap;
            color: black;
            height: 1000%;
            transform: scale(0.2);
            width: calc(500% + 5px);
        }
    }
}

@media (max-width: 768px) {
    // Show 2 columns for the templates on small screen
    // can not be done with "o_xxs_form_view" because those
    // elements are inside an iframe (HTML field).
    .o_mail_theme_selector {
        .o_mail_templates_grid {
            grid-template-columns: repeat(2, 50%) !important;
        }

        .o_mail_favorite_preview_wrapper .o_mail_favorite_preview {
            transform: scale(0.5);
            width: calc(200% + 5px);
        }
    }
}