.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    display: none;
    width: 100%;
    height: 100%;
    overflow: hidden;
    outline: 0;
}

    .modal.show {
        display: block;
    }

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    opacity: .5;
}

.modal-lg {
    max-width: 800px!important;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: .5rem;
    pointer-events: none;
    max-width: 500px;
}

.modal.fade .modal-dialog {
    transition: transform .3s ease-out;
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: translate(0, 0);
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0,0,0,.2);
    border-radius: .3rem;
    outline: 0;
    pointer-events: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 1rem;
    border-bottom: 1px solid #dee2e6;
}

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

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1rem;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: .75rem;
    border-top: 1px solid #dee2e6;
}

.btn {
    display: inline-block;
    font-weight: 400;
    color: #212529;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out, border-color .15s ease-in-out,box-shadow .15s ease-in-out;
    cursor: pointer;
}

.btn-primary {
    color: #fff;
    background-color: #0d6efd;
    border-color: #0d6efd;
}

    .btn-primary:hover {
        background-color: #0b5ed7;
        border-color: #0a58ca;
    }

.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

    .btn-secondary:hover {
        background-color: #5c636a;
        border-color: #565e64;
    }

.btn-close {
    padding: .5rem;
    background: none;
    border: 0;
    cursor: pointer;
}

    .btn-close:before {
        content: "\00d7";
        font-size: 1.5rem;
        color: #000;
    }

    .btn-close:hover {
        color: #000;
        opacity: .75;
    }