辛淼 Jin

<link rel="stylesheet" href="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.7/bootstrap.min.js"></script> <style> .cssAmount{font-size:2em;} .col-center-block {     float: none;     display: table;     margin: 0 auto;     /* margin-left: auto; margin-right: auto; */ } .img-fluid{max-width:100%;height:auto} .rounded{border-radius:.25rem!important}.rounded-top{border-top-left-radius:.25rem!important;border-top-right-radius:.25rem!important} .rounded-right{border-top-right-radius:.25rem!important;border-bottom-right-radius:.25rem!important} .rounded-bottom{border-bottom-right-radius:.25rem!important;border-bottom-left-radius:.25rem!important}. rounded-left{border-top-left-radius:.25rem!important;border-bottom-left-radius:.25rem!important} .rounded-circle{border-radius:50%!important}.rounded-0{border-radius:0...

1. The Four Different Types of Media in bootstrap V3 @media ( max-width :767px){ ... } @media ( min-width :768px) and (max-width :991px){ ... } @media ( min-width :992px) and ( max-width :1199px){ ... } @media ( min-width :1200px){ ... } xs: extra small; 767px<=xs; sm:small; 768px<=sm<=991px; md:middle; 992px<=md<=1199px; lg: large;  min-width:1200px; Ref: h t t p : / / g e t bootstrap.com/css/#forms socialme diatoday . com/ ginidietrich /1556276/four-different-types-media q i a n d u a n b l o g . c o m / 3 1 5 0 . h t m l  <!-- tabs -->       <div class="row">             <!-- Left col -->             <section class="col-lg-12 connectedSortable ui-sortable">               <!-- Custom tabs (Charts with tabs)-->               <div class="nav-tabs-custom" styl...