@keyframes fade-out {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    background-color: #7f712d;
}

.content {
    flex: 1;
}

.footer {
    flex-shrink: 0;
    padding: 20px 10px;
    background-color: gray;
}

    .footer small {
        color: black;
        font-size: 14px;
    }

    .footer a {
        color: black;
        text-decoration: none;
        display: inline-block;
    }

header.container-fluid {
    padding: 0px;
}

header img {
    width: 191px;
    height: 150px;
    border: 3px solid black;
    animation: fade-out 10s 10s infinite linear alternate;
}

div.navbar-collapse {
    background-color: whitesmoke;
    padding: calc(2% + 20px);
    border-radius: 15px;
}

li.nav-item a.nav-link:hover {
    background-color: black;
    color: white;
}

li.nav-item a.nav-link {
    color: black;
    border-radius: 25px;
    margin: 0px 5px;
}

    li.nav-item a.nav-link.active {
        background-color: black;
        color: white;
    }

.navbar-toggler {
    background-color: whitesmoke;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba%288, 8, 8, 0.5%29' stroke-width='2' linecap='round' linejoin='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

td h4 {
    border-bottom: 2px dotted Black;
}

@media (max-width: 379px) {
    h1 {
        font-size: 1.2em;
    }

    header img {
        width: 75px;
        height: 75px;
    }
}