.modal {
    position: absolute;
    width: 500px;
    height: 400px;
    top: calc(50% - 200px);
    left: calc(50% - 250px);
    background-color: #fff;
    padding: 8px 20px 16px 20px;
    border: 2px solid #808080;
    z-index: 1000;
    display: none;
    flex-direction: column;
    justify-content: space-between;
}
.modal.active {
    display: flex;
}
.modal-header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
.modal-header .btn-close {
    font-size: 150%;
    background: none;
    border: none;
    cursor: pointer;
}
.modal-content {
    flex-grow: 1;
}
.modal-context p {
    text-align: center;
    font-size: 120%;
}
.modal-footer {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}

@media (max-width: 800px) {
    .d-md-none {
        display: none;
    }
    .modal {
        width: 90%;
        height: auto;
        padding: 0;
        left: 5%;
    }
    .modal-content {
        padding: 2em;
    }