html, body {
  /* height: 100%; */
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.main-content {
  flex: 1 0 auto;
}
footer {
  flex-shrink: 0;
}

/* navbar */
.mega-dropdown {
    display: none;
}

.mega-dropdown.show {
    display: block;
    animation: fadeInDown 0.2s;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}