table td,
table th {
    vertical-align: middle;
}

table td:not([align]),
table th:not([align]) {
    vertical-align: middle;
    text-align: inherit;
}
.modal-close {
    background: none;
    height: 40px;
    position: fixed;
    right: 20px;
    top: 20px;
    width: 40px;
}

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

.section {
    flex: 1;
}