html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.nav-link:focus, .nav-link:hover {
    text-decoration:underline;
}


.bi-list {
    color: #fff;
}
html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.navbar {
    background-color: transparent;
}

.mb-3 {
    margin-bottom: 0 !important;
}

.nav-link:hover {
    color: #fff !important;
}

.presentation > .col-sm-12 {
    height: 300px;
}

.presentation > .col-lg-6 {
    height: 600px;
}

.img-cards {
    background-repeat: no-repeat;
    background-size: cover;
}

#img1 {
    background-image: url('../lib/Images/img1.jpg');
    background-position: bottom;
}

.footer {
    background-color: #1C2021;
}

footer > .container {
    display: flex;
    justify-content: space-between;
    color: #fff;
}

footer > .container > a {
    -webkit-text-decoration: inherit;
    text-decoration: inherit;
    color: #fff;
}

.container-header {
    background-image: url('../lib/Images/header.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-bottom: 2%;
}

.header-shadow {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 20px;
    height: 100%;
}

.header-text {
    color: #fff;
    text-shadow: 2px 2px 4px #000;
}

.header-title {
    font-size: 100px;
    margin-top: 70px;
}

@media screen and (max-width: 768px) {
    iframe {
        width: 90%;
        height: 300px;
    }

    .container-header {
        background-position: center;
        background-repeat: no-repeat;
        margin-bottom: 2%;
    }

    .header-title {
        font-size: 50px;
    }

    .nav-link {
        color: #fff !important;
    }
}