/* <system section="theme" selected="10328749687176077456"> */
@import url("http://UskeS.github.io/dtpab.css");
/* http://UskeS.github.io/dtpab.css */
/* https://blog.hatena.ne.jp/-/theme/10328749687176077456.css */
/* </system> */

/* <system section="background" selected="ddeaed"> */
body{background:#ddeaed;}
/* </system> */

/* シェアボタン */
.share-area {
margin: 20px 0;
}
.share-button a {
display: inline-block;
width: 52px;
height: 52px;
padding: 4px 0;
line-height: 18px;
font-size: 16px;
font-weight: bold;
text-align: center;
color: #fff;
text-decoration: none;
vertical-align: bottom;
transition: all 0.4s;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
.share-button a:hover {
opacity: 0.6;
transition: all 0.4s;
}
.share-area i,
.share-area .lg {
font-size: 24px;
}
.share-button .hatena-bookmark-button .lg {
font-size: 32px;
}
.share-button .hatena-bookmark-button {
padding-top: 1px;
padding-bottom: 6px;
}
.share-button .twitter-button {
padding-top: 5px;
}
.share-button .facebook-button .lg  {
font-size: 27px;
margin-top: -1px;
}
.share-button .twitter-button .lg {
font-size: 27px;
}
.share-area .small-text {
font-size: 11px;
}
.share-area .fa-spin {
font-size: 8px;
color: #fff;
}
.share-button .hatena-bookmark-button {
background: #00A4DE;
}
.share-button .facebook-button {
background: #405BA7;
}
.share-button .twitter-button {
background: #000000;
}
.share-button .googleplus-button {
background: #C53727;
}
.share-button .pocket-button {
background: #EE4256;
}

Result
EDIT ON
/*--------------------------------------
  もくじ
--------------------------------------*/
ul.table-of-contents {
  font-size: 12px !important; /*文字サイズ*/
  border: 1px solid #eee !important;
  padding: 1em 1.5em 1em 2.25em !important;
  color: #999 !important;
  display: inline-block;
}
ul.table-of-contents:before {
  content: "- INDEX -"; /* お好きな文言に変更してください */
  display: inline-block;
  margin: 0.2em 0em 1em;
  padding: 0em;
  font-weight: bold;
}
ul.table-of-contents a:after {
  display: none !important;
}
ul.table-of-contents li a,
ul.table-of-contents li a:visited {
  /* color: #999 !important; リンク文字の色 */
  text-decoration: none; /* リンクの下線あり・なし */
}
/* ul.table-of-contents li a:hover { */
  /* color: lightgrey !important;  リンクにマウスを重ねた時の色 */
/* } */
ul.table-of-contents li {
  margin: 5px 0 10px 6px !important;
  line-height: 1.5;
  padding: 0;
  list-style-type: none !important;
}
ul.table-of-contents li:before {
  font-family: blogicon;
  content: "\f023  ";
  /* position: absolute; */
  left: 1.2em;
  color: #488bc0;
}

/* ul.table-of-contents ul li, */
/* ul.table-of-contents li ul { */
  /* H1のみ表示させる */
  /* display: none !important; */
/* } */

/* ソースコードタイトル */
.code-title {
  position: relative;
}
.code-title pre.code {
    padding-top: 2.4em;
}
.code-title::before{
    content: attr(data-title);
    padding: 0 1em;
    background: #47a89c;
    color: #fff;
    font-size: 0.8em;
    border-radius: 3px 0 0 0;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}

/* 囲み */
.notes {
    position: relative;
    margin: 2em 0;
    padding: 0.5em 1em;
    border: solid 2px #98b0b3
}
.notes .box-title {
    position: absolute;
    display: inline-block;
    top: -25px;
    left: -1px;
    padding: 0 9px;
    vertical-align: middle;
    font-size: 0.8em;
    background: #98b0b3;
    color: #ffffff;
}
.notes p {
    margin: 0;
    padding: 0;
    font-size: 0.9em;
    color: #616a6b;
}
.notes ul li {
  line-height: 1.5;
  padding: 0.25em 0;
  font-size: 0.9em;
  list-style-type: none!important;
  color: #616a6b;
}
.notes ul li:before {/*疑似要素*/
  font-family: "FontAwesome";
  content: "\f138";/*アイコンの種類*/
  position: absolute;
  left : 1.0em;/*左端からのアイコンまでの距離*/
  color: #98b0b3;/*アイコン色*/
}
ul.notes#list {
  padding: 0 0 0 2em;
  margin: 0;
  border: none;
}

a[name^="fn-"]{
  font-size:75%;
  line-height:0;
  position:relative;
  vertical-align:baseline;
  top:-.5em;
  color:#808080;
  border:none;
  text-decoration:none;
  margin:0 .25em
}

/* シンタックスカラーリング */
.entry-content pre.code {
  background-color: #f1f5f5;
  color: #576663;
}
.synComment { color: #6fa168; }
.synConstant { color: #689aa8; }
.synIdentifier { color: #be7cdd; }
.synPreProc { color: #a199c8; }
.synSpecial { color: #ad807d; }
.synStatement { color: #21a392; }
.synType { color: #409ad6; }