Bootstrap HTML5标题带有边框和小文本，如fieldset但没有fieldset / legend

Question

我正在构建基于bootstrap的web，我正在尝试在一个框架内创建标题，文本附加在底部边框的中间，仍然是响应。小型设备上的小文字可以分成多行，甚至可以放在盒子里面。

我所能做的只是。我希望像那样做。

我希望有人已经这样做了和/或可以帮助我做到这一点。

提前致谢。

一个重要的细节是它应该是完全透明的，因此它可以覆盖背景图片。

它与fieldset差异很大，因为“图例”位​​于底部。

Answer 1

更新

See fiddle

<强> CSS：

<?php

$useragent=$_SERVER['HTTP_USER_AGENT'];

if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i',$useragent)||preg_match('/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i',substr($useragent,0,4))) {
    ?>
    <script type="text/javascript">
        google_ad_client = "ca-pub-2512546983576830";
        google_ad_slot = "8349818301";
        google_ad_width = 300;
        google_ad_height = 250;
    </script>
    <!-- Patraukli.lt #4 -->
    <script type="text/javascript"
    src="//pagead2.googlesyndication.com/pagead/show_ads.js">
    </script>
    <?php
} else {
    ?>

<br><center>
<script type="text/javascript">
    google_ad_client = "ca-pub-2512546983576830";
    google_ad_slot = "9019299503";
    google_ad_width = 728;
    google_ad_height = 90;
</script>
<!-- Patraukli.lt #1 -->
<script type="text/javascript"
src="//pagead2.googlesyndication.com/pagead/show_ads.js">
</script></center>
<?php } ?>

<强> HTML：

.navbar-brand {
  margin: 0;
  color: #ffffff;
  text-align: center;
  position: relative;
  display: inline-block;
  border-top: 8px solid #ffffff;
  padding: 5px 32px 0px 32px;
  line-height: 1.08333333;
  height: auto;
}
.navbar-brand:before {
  position: absolute;
  content: '';
  left: -8px;
  top: -8px;
  width: 8px;
  bottom: 12px;
  background: #ffffff;
}
.navbar-brand:after {
  position: absolute;
  content: '';
  right: -8px;
  top: -8px;
  width: 8px;
  bottom: 12px;
  background: #ffffff;
}
.navbar-brand a:hover,
.navbar-brand a:focus {
  color: #ffffff;
  text-decoration: none;
}
.navbar-header + h3 {
  margin-top: 61px;
}
.navbar-header {
  text-align: center;
}
.small-lines:before {
  position: absolute;
  content: '';
  left: -40px;
  height: 8px;
  bottom: 12px;
  width: 8%;
  background: #ffffff;
}
.small-lines:after {
  position: absolute;
  content: '';
  right: -40px;
  height: 8px;
  bottom: 12px;
  width: 8%;
  background: #ffffff;
}
.small-lines1:before {
  width: 38%;
  background: #009fb6;
}
.small-lines1:after {
  width: 38%;
  background: #009fb6;
}
.navbar-brand a{
    font-size: 48px;
}
.container{
    margin-top: 150px;
}

small {
    line-height: 1.2;
    font-size: 24px;
    letter-spacing: 4.8px;
    display: block;
    position: relative;
}