.flag-wrapper {
    width: 100%;
    display: inline-block;
    position: relative;
    box-shadow: 0 0 2px black;
    overflow: hidden;
    margin-bottom: 20px;
}

.flag-wrapper:after {
    padding-top: 75%;
    /* ratio */
    display: block;
    content: '';
}

.flag-wrapper .flag {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
}

.no-wrap {
    white-space: nowrap;
    margin-bottom: 8px;
    overflow: hidden;
}

.all-flags .flag-icon-background {
    cursor: pointer;
}

.jumbotron {
    position: relative;
    font-size: 16px;
    color: #fff;
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    border-radius: 0;
    padding-bottom: 80px;
    background: linear-gradient(to right, #0d6632, #f4c01a);
}

.jumbotron h1 {
    margin-bottom: 15px;
    font-weight: 300;
    letter-spacing: -1px;
    color: #fff;
}

.jumbotron iframe {
    width: 100px !important;
    height: 20px !important;
    border: none;
    overflow: hidden;
    margin: 2px;
}

.jumbotron p a,
.jumbotron .jumbotron-links a {
    font-weight: 500;
    color: #fff;
}

.jumbotron .jumbotron-links {
    margin-top: 15px;
    margin-bottom: 0;
    padding-left: 0;
    list-style: none;
    font-size: 14px;
}

.jumbotron .jumbotron-links li {
    display: inline;
}

.jumbotron .jumbotron-links li+li {
    margin-left: 20px;
}

.jumbotron .bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 18px;
    background-color: rgba(0, 0, 0, 0.2);
}

.btn-outline {
    margin-top: 15px;
    margin-bottom: 15px;
    padding: 18px 24px;
    font-size: inherit;
    font-weight: 500;
    color: #fff;
    /* redeclare to override the `.jumbotron a` */
    background-color: transparent;
    border-color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
    transition: all 0.1s ease-in-out;
}

.btn-outline:hover,
.btn-outline:active {
    color: #0d6632;
    background-color: #fff;
    border-color: #fff;
}

.how-to {
    padding: 20px;
}

.how-to h2 {
    text-align: center;
}

.how-to li {
    font-size: 21px;
    line-height: 1.7;
    margin-top: 20px;
}

.how-to li p {
    font-size: 16px;
    color: #555;
}

.how-to code {
    font-size: 85%;
    word-wrap: break-word;
    white-space: normal;
}

.flag-wrapper {
    margin-bottom: 0px;
}