body {
    background-image: url("../img/bg.jpg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    height: 100vh;
    width: 100vw;
}

.content {
    color: #fff;
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Montserrat';
    background-color: rgba(169,169,169, 0.6);
}

h2 {
    font-size: 24px;
}

.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    z-index: 2;
}

.footer .container {
    display: flex;
    justify-content: center;
    padding-bottom: 20px;
}

main::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0.7;
    background: #000;
    width: 100%;
    height: 100%;
}

nav {
    color: #fff;
    text-align: center;
}

nav ul {
    list-style: none;
    margin-bottom: 0;
}

nav ul li {
    margin-right: 10px;
    display: inline;
    cursor: pointer;
    border: 2px solid #fff;
    font-size: 15px;
    padding: 10px 15px;
    transition: all .2s ease-in-out;
}

.btn {
    margin-right: 10px;
    display: inline;
    cursor: pointer;
    border: 2px solid #fff;
    font-size: 15px;
    padding: 10px 15px;
    transition: all .2s ease-in-out;
    border-radius: 0px;
    background-color: rgba(169,169,169, 0.6);
}

.btn:hover {
    background: #fff;
    color: #000;
    border-color: white;
}

.btn:focus {
    background: #fff;
    color: #000;
    border-color: white;
    box-shadow: none;
}

nav ul li:hover {
    background: #fff;
    color: #000;
}

.modal-content {
    border-radius: 0;
}