```css
/* =========================================================
   Bootstrap 5.0 Modal CSS
   Standalone modal component
   Compatible with Bootstrap 5.0 / 5.0.2 markup
   ========================================================= */

/* ---------------------------------------------------------
   Body
   --------------------------------------------------------- */

body.modal-open {
    overflow: hidden;
}


/* ---------------------------------------------------------
   Modal container
   --------------------------------------------------------- */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1055;
    display: none;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}


/* ---------------------------------------------------------
   Modal when visible
   --------------------------------------------------------- */

.modal.show {
    display: block;
}


/* ---------------------------------------------------------
   Fade animation
   --------------------------------------------------------- */

.fade {
    transition: opacity 0.15s linear;
}

.fade:not(.show) {
    opacity: 0;
}


/* ---------------------------------------------------------
   Modal dialog
   --------------------------------------------------------- */

.modal-dialog {
    position: relative;
    width: auto;
    margin: 0.5rem;
    pointer-events: none;
}


/* Modal slide-down animation */

.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: none;
}


/* Static backdrop animation */

.modal.modal-static .modal-dialog {
    transform: scale(1.02);
}


/* ---------------------------------------------------------
   Scrollable modal
   --------------------------------------------------------- */

.modal-dialog-scrollable {
    height: calc(100% - 1rem);
}

.modal-dialog-scrollable .modal-content {
    max-height: 100%;
    overflow: hidden;
}

.modal-dialog-scrollable .modal-body {
    overflow-y: auto;
}


/* ---------------------------------------------------------
   Vertically centered modal
   --------------------------------------------------------- */

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 1rem);
}


/* ---------------------------------------------------------
   Modal content
   --------------------------------------------------------- */

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;

    color: #212529;
    background-color: #fff;
    background-clip: padding-box;

    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 0.3rem;

    outline: 0;

    box-shadow:
        0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}


/* ---------------------------------------------------------
   Modal backdrop
   --------------------------------------------------------- */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;

    width: 100vw;
    height: 100vh;

    background-color: #000;
}

.modal-backdrop.fade {
    opacity: 0;
}

.modal-backdrop.show {
    opacity: 0.5;
}


/* ---------------------------------------------------------
   Modal header
   --------------------------------------------------------- */

.modal-header {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: space-between;

    padding: 1rem;

    border-bottom: 1px solid #dee2e6;

    border-top-left-radius: calc(0.3rem - 1px);
    border-top-right-radius: calc(0.3rem - 1px);
}


/* ---------------------------------------------------------
   Modal title
   --------------------------------------------------------- */

.modal-title {
    margin-bottom: 0;
    line-height: 1.5;
}


/* ---------------------------------------------------------
   Modal body
   --------------------------------------------------------- */

.modal-body {
    position: relative;

    flex: 1 1 auto;

    padding: 1rem;
}


/* ---------------------------------------------------------
   Modal footer
   --------------------------------------------------------- */

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    flex-shrink: 0;

    align-items: center;
    justify-content: flex-end;

    padding: 0.75rem;

    border-top: 1px solid #dee2e6;

    border-bottom-left-radius: calc(0.3rem - 1px);
    border-bottom-right-radius: calc(0.3rem - 1px);
}


/* Space between footer buttons */

.modal-footer > * {
    margin: 0.25rem;
}


/* ---------------------------------------------------------
   Bootstrap 5 Close Button
   --------------------------------------------------------- */

.btn-close {
    box-sizing: content-box;

    width: 1em;
    height: 1em;

    padding: 0.25em;

    color: #000;

    background: transparent
        url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e")
        center / 1em auto no-repeat;

    border: 0;
    border-radius: 0.25rem;

    opacity: 0.5;
}

.btn-close:hover {
    color: #000;
    text-decoration: none;
    opacity: 0.75;
}

.btn-close:focus {
    outline: 0;

    box-shadow:
        0 0 0 0.25rem rgba(13, 110, 253, 0.25);

    opacity: 1;
}

.btn-close:disabled,
.btn-close.disabled {
    pointer-events: none;
    user-select: none;
    opacity: 0.25;
}


/* Put close button on right side of header */

.modal-header .btn-close {
    padding: 0.5rem 0.5rem;

    margin:
        -0.5rem
        -0.5rem
        -0.5rem
        auto;
}


/* ---------------------------------------------------------
   Small screens and default modal width
   --------------------------------------------------------- */

@media (min-width: 576px) {

    .modal-dialog {
        max-width: 500px;
        margin: 1.75rem auto;
    }

    .modal-dialog-scrollable {
        height: calc(100% - 3.5rem);
    }

    .modal-dialog-centered {
        min-height: calc(100% - 3.5rem);
    }

    .modal-content {
        box-shadow:
            0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    }

    /* Small modal */

    .modal-sm {
        max-width: 300px;
    }
}


/* ---------------------------------------------------------
   Large modal
   --------------------------------------------------------- */

@media (min-width: 992px) {

    .modal-lg,
    .modal-xl {
        max-width: 800px;
    }
}


/* ---------------------------------------------------------
   Extra large modal
   --------------------------------------------------------- */

@media (min-width: 1200px) {

    .modal-xl {
        max-width: 1140px;
    }
}


/* ---------------------------------------------------------
   Fullscreen modal
   --------------------------------------------------------- */

.modal-fullscreen {
    width: 100vw;
    max-width: none;
    height: 100%;
    margin: 0;
}

.modal-fullscreen .modal-content {
    height: 100%;
    border: 0;
    border-radius: 0;
}

.modal-fullscreen .modal-header {
    border-radius: 0;
}

.modal-fullscreen .modal-body {
    overflow-y: auto;
}

.modal-fullscreen .modal-footer {
    border-radius: 0;
}


/* ---------------------------------------------------------
   Fullscreen below SM - 576px
   --------------------------------------------------------- */

@media (max-width: 575.98px) {

    .modal-fullscreen-sm-down {
        width: 100vw;
        max-width: none;
        height: 100%;
        margin: 0;
    }

    .modal-fullscreen-sm-down .modal-content {
        height: 100%;
        border: 0;
        border-radius: 0;
    }

    .modal-fullscreen-sm-down .modal-header {
        border-radius: 0;
    }

    .modal-fullscreen-sm-down .modal-body {
        overflow-y: auto;
    }

    .modal-fullscreen-sm-down .modal-footer {
        border-radius: 0;
    }
}


/* ---------------------------------------------------------
   Fullscreen below MD - 768px
   --------------------------------------------------------- */

@media (max-width: 767.98px) {

    .modal-fullscreen-md-down {
        width: 100vw;
        max-width: none;
        height: 100%;
        margin: 0;
    }

    .modal-fullscreen-md-down .modal-content {
        height: 100%;
        border: 0;
        border-radius: 0;
    }

    .modal-fullscreen-md-down .modal-header {
        border-radius: 0;
    }

    .modal-fullscreen-md-down .modal-body {
        overflow-y: auto;
    }

    .modal-fullscreen-md-down .modal-footer {
        border-radius: 0;
    }
}


/* ---------------------------------------------------------
   Fullscreen below LG - 992px
   --------------------------------------------------------- */

@media (max-width: 991.98px) {

    .modal-fullscreen-lg-down {
        width: 100vw;
        max-width: none;
        height: 100%;
        margin: 0;
    }

    .modal-fullscreen-lg-down .modal-content {
        height: 100%;
        border: 0;
        border-radius: 0;
    }

    .modal-fullscreen-lg-down .modal-header {
        border-radius: 0;
    }

    .modal-fullscreen-lg-down .modal-body {
        overflow-y: auto;
    }

    .modal-fullscreen-lg-down .modal-footer {
        border-radius: 0;
    }
}


/* ---------------------------------------------------------
   Fullscreen below XL - 1200px
   --------------------------------------------------------- */

@media (max-width: 1199.98px) {

    .modal-fullscreen-xl-down {
        width: 100vw;
        max-width: none;
        height: 100%;
        margin: 0;
    }

    .modal-fullscreen-xl-down .modal-content {
        height: 100%;
        border: 0;
        border-radius: 0;
    }

    .modal-fullscreen-xl-down .modal-header {
        border-radius: 0;
    }

    .modal-fullscreen-xl-down .modal-body {
        overflow-y: auto;
    }

    .modal-fullscreen-xl-down .modal-footer {
        border-radius: 0;
    }
}


/* ---------------------------------------------------------
   Fullscreen below XXL - 1400px
   --------------------------------------------------------- */

@media (max-width: 1399.98px) {

    .modal-fullscreen-xxl-down {
        width: 100vw;
        max-width: none;
        height: 100%;
        margin: 0;
    }

    .modal-fullscreen-xxl-down .modal-content {
        height: 100%;
        border: 0;
        border-radius: 0;
    }

    .modal-fullscreen-xxl-down .modal-header {
        border-radius: 0;
    }

    .modal-fullscreen-xxl-down .modal-body {
        overflow-y: auto;
    }

    .modal-fullscreen-xxl-down .modal-footer {
        border-radius: 0;
    }
}


/* ---------------------------------------------------------
   Modal content helpers
   --------------------------------------------------------- */

.modal input,
.modal select,
.modal textarea {
    max-width: 100%;
}

.modal img {
    max-width: 100%;
    height: auto;
}


/* ---------------------------------------------------------
   Prevent theme styles from breaking modal
   --------------------------------------------------------- */

.modal-dialog,
.modal-content {
    box-sizing: border-box;
}

.modal-dialog *,
.modal-dialog *::before,
.modal-dialog *::after {
    box-sizing: border-box;
}


/* ---------------------------------------------------------
   Ensure modal is above common theme elements
   --------------------------------------------------------- */

.modal-backdrop {
    z-index: 1050;
}

.modal {
    z-index: 1055;
}


/* ---------------------------------------------------------
   Accessibility
   --------------------------------------------------------- */

.modal[aria-hidden="true"] {
    visibility: hidden;
}

.modal.show[aria-hidden="false"] {
    visibility: visible;
}
```