カスタマイズや解説は↓見たらなにかあるかも。
Bootstrap3でFC2のテンプレを作ろう　2回目（bootstrap-blue-nav)
http://mypace75.blog92.fc2.com/blog-entry-966.html
Bootstrap3でFC2のテンプレを作ろう　2回目（ lightgreen-navbar,black-navbar,white-navbar ）
http://mypace75.blog92.fc2.com/blog-entry-968.html
/************************************************************************************
CLEAR & ALIGNMENT
*************************************************************************************/
.clear {
  clear: both;
}
.left {
  float: left;
}
.right {
  float: right;
}
.textleft {
  text-align: left;
}
.textright {
  text-align: right;
}
.textcenter {
  text-align: center;
}


/* clearfix */
.clearfix:after, .widget li:after, #body:after, #footer:after, footer:after, .pagenav:after, #main-nav:after, .menu:after, .gallery:after, #content:after
{ visibility: hidden; display: block; font-size: 0; content: " "; clear: both; height: 0; }
.clearfix, .widget li, #body, #footer, footer, .pagenav, #main-nav, .menu, .gallery, #content
{ display: inline-block; }
/* clearfix for ie7 */
.clearfix, .widget li, #body, #footer, footer, .pagenav, #main-nav, .menu, .gallery, #content
{ display: block; zoom: 1; }


/*navbar*/
.nav li a:hover,
.nav li a:focus {
text-decoration: none;
background-color: #eeeeee;
}
.nav li.disabled a {
color: #999999;
}
.nav li.disabled a:hover,
.nav li.disabled a:focus {
color: #999999;
text-decoration: none;
background-color: transparent;
cursor: not-allowed;
}


.navbar-custom {
margin-top: 27px; /*fc2検索バー非表示の時は削除*/
background-color: #93C54B;
border-color: #3e3f3a;
box-shadow :0 2px 3px;
}
.navbar-custom .navbar-brand {
color: #ffffff;
}
.navbar-custom .navbar-brand:hover,
.navbar-custom .navbar-brand:focus {
color: #ffffff;
background-color: none;
}
.navbar-custom .navbar-text {
color: #dddddd;
}
.navbar-custom .navbar-nav li a {
color: #ffffff;
}
.navbar-custom .navbar-nav li a:hover,
.navbar-custom .navbar-nav li a:focus {
color: #ffffff;
background-color: #89be3d;
}
.navbar-custom .navbar-nav .active a,
.navbar-custom .navbar-nav .active a:hover,
.navbar-custom .navbar-nav .active a:focus {
color: #ffffff;
background-color: #89be3d;
}
.navbar-custom .navbar-nav .disabled a,
.navbar-custom .navbar-nav .disabled a:hover,
.navbar-custom .navbar-nav .disabled a:focus {
color: #dddddd;
background-color: transparent;
}
.navbar-custom .navbar-toggle {
border-color: #89be3d;
}
.navbar-custom .navbar-toggle:hover,
.navbar-custom .navbar-toggle:focus {
background-color: #89be3d;
}
.navbar-custom .navbar-toggle .icon-bar {
background-color: #ffffff;
}
.navbar-custom .navbar-collapse,
.navbar-custom .navbar-form {
border-color: #1995dc;
}
.navbar-custom .navbar-nav .open a,
.navbar-custom .navbar-nav .open a:hover,
.navbar-custom .navbar-nav .open a:focus {
background-color: #89be3d;
color: #ffffff;
}
@media (max-width: 767px) {
.navbar-custom .navbar-nav .open .dropdown-menu li a {
  color: #ffffff;
  }
  .navbar-custom .navbar-nav .open .dropdown-menu li a:hover,
  .navbar-custom .navbar-nav .open .dropdown-menu li a:focus {
    color: #ffffff;
    background-color: #89be3d;
  }
  .navbar-custom .navbar-nav .open .dropdown-menu .active a,
  .navbar-custom .navbar-nav .open .dropdown-menu .active a:hover,
  .navbar-custom .navbar-nav .open .dropdown-menu .active a:focus {
    color: #ffffff;
    background-color: #89be3d;
  }
  .navbar-custom .navbar-nav .open .dropdown-menu .disabled a,
  .navbar-custom .navbar-nav .open .dropdown-menu .disabled a:hover,
  .navbar-custom .navbar-nav .open .dropdown-menu .disabled a:focus {
    color: #dddddd;
    background-color: transparent;
  }
}
.navbar-custom .navbar-link {
color: #ffffff;
}
.navbar-custom .navbar-link:hover {
color: #ffffff;
}
.navbar-custom .btn-link {
color: #ffffff;
}
.navbar-custom .btn-link:hover,
.navbar-custom .btn-link:focus {
color: #ffffff;
}
.navbar-custom .btn-link[disabled]:hover,
fieldset[disabled] .navbar-custom .btn-link:hover,
.navbar-custom .btn-link[disabled]:focus,
fieldset[disabled] .navbar-custom .btn-link:focus {
color: #dddddd;
}

.dropdown-menu {
font-size: 12px;
}

/* ページ全体 */
body {
padding-top: 60px;
font-family: 'arial',sans-serif;
font-size: 85%;
line-height: 1.75; 
}

/* ブログ名・ブログの説明 */
h1 a, h1 a:link, h1 a:visited, header-description, h1 a:hover, h1 a:active {
color: #404040;
}

/* 記事タイトル */
h2{
padding: 0.5ex 1em;
color: #ffffff;
background-color: #2eb72e;
border-radius: 10px;
}

h2 a, h2 a:link, h2 a:visited, header-description, h2 a:hover, h2 a:active {
color: #ffffff;
font-size: 25px;
margin: 10px 0;
}

/*記事情報*/
.post-meta{
font-size:12px;
border-left:5px solid #3e3f3a;
border-bottom: 1px solid #3e3f3a;
}

/*blockquate */
blockquote {
color: #808080;
font-style: italic;
}

pre { overflow: auto; }
 
ol { list-style: decimal outside; }
 
ul { list-style: disc outside; }

p {
font-size: 14px;
line-height: 1.5;
margin: 30px 0;
}

/*パンくずリスト*/
.breadcrumb {
margin: 5px;
border: 1px solid #3e3f3a;
font-size: 12px; 
box-shadow :1px 1px 2px;
border-radius: 10px;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
}

/* 記事 */
article {
padding:5px 10px;
margin-bottom: 30px; 
border :1px solid #3e3f3a;
box-shadow :1px 1px 2px;
border-radius: 10px;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
}

/*fc2ソーシャルボタン*/
.fc2_footer {
margin-top:20px;
}

/* カテゴリ、コミュニティ */
.category,.community {
font-size: 12px;
list-style: none; 
}

/*ページャー*/
.pager li  a, .pager li  span{
border :1px solid #3e3f3a;
box-shadow :1px 1px 2px;
}

/*プラグイン*/
.side1,
.side2{
margin: 5px;
padding:3px;
border :1px solid #3e3f3a;
box-shadow :1px 1px 2px;
border-radius: 10px;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
}

.side1 h5,
.side2 h5{
padding: 0.5ex 1em;
color: #ffffff;
background-color: #2eb72e;
border-radius: 10px;
}

.side1 p, 
.side2 p, 
.side1 a, 
.side2 a,
.side1 div div a,
.side2 div div a,
.side1 ul li a,
.side2 ul li a{
padding: 0 5px 0 5px;
font-size: 12px;
line-height: 1.25;
margin: 10px 0;
}

/*フッター*/
.footer-inner {
border-top: 1px solid #3e3f3a;
text-align: center;
}

body {
webkit-tap-highlight-color: #0085a1;
}

/* Gistの表示を直すやつ */
.line-numbers, .line-pre .line {
font-size: 12px;
line-height: 1.4;
}