.row {
/*    border: dotted 1px black;*/
}

.banner img {
    margin: 0 auto;
    display: inline;
    width:100%;
}

.navbar {
    display: flex;
    justify-content: center;
}

.navbar li {
    display: inline;
    padding: 20px;
}

.navbar li a {
    color: #F27370;
}

.pic1 img, .pic2 img, .pic3 img, .pic4 img {
    width: 100%;
}

.ex-container {
    margin-top: 5px;
    margin-bottom: 10px;
}
.example {
    border-bottom: 3px dashed #11CBD7;
}

.article1, .article2, .article3, .article4, .article5 {
    border: 7px solid #F0FFF3;
    padding-bottom: 10px;
}

/*
.article1, .article3 {
    padding-right: 5px;
}

.article2, article4 {
    padding-left: 5px;
}
*/

.footer {
    margin: 10px;
    font-family: verdana;
    font-size: 10px;
}