body {
    background-image: url('seigaiha.png');
}
.profile {
  height: 80px;
  width: 80px;
  border-radius: 40px;
  -webkit-border-radius: 40px;
  -moz-border-radius: 40px;
  background: url('../img/profile.png') no-repeat center center;
  background-size: 99% auto;
}
.profile img {
  opacity: 0;
  filter: alpha(opactiy=0);
}
.content-title h2 {
  color: #9a9a9a;
}
table {
  max-width: 100% !important;
}
tr {
  max-width: 100% !important;
}
td {
  max-width: 100px !important;
}
td img {
  width: 100% auto;
}
.tiny-note {
  font-size: 8pt;
}
.muted {
  color: #9a9a9a !important;
}

ul.articles_list  {
  margin: auto;
}

ul.articles_list h2 {
  text-align: right;
}

ul.articles_list li {
  margin-bottom: .3rem;
  list-style-type: none;
  display: flex;
}

.articles_list .metadata {
  align-self: flex-start;
  font-size: 0.7em;
  line-height: 2;
  min-width: 160px;
}

.articles_list .category {
  font-weight: lighter;
}

@media screen and (max-width: 600px) {
  .articles_list .category {
    display: none;
  }
  .articles_list .metadata {
    min-width: 120px;
  }
}

.articles_list .date {
  font-weight: bold;
  text-align: right;
  text-transform: uppercase;
  margin-right: 1em;
}

.post {
  margin-bottom: 0 !important;
}

.description {
    display: block;
    background-color: #fff;
    opacity: 0.9;
    padding: 10px;
    text-align: justify;
    justify-content: center;
}

a.no-color {
  color: inherit;
}

#toc_container {
  background: #f9f9f9 none repeat scroll 0 0;
  border: 1px solid #aaa;
  display: table;
  font-size: 95%;
  margin-bottom: 1em;
  padding: 20px;
  width: auto;
  margin: 2rem auto;
}

#toc_container > ul {
  font-weight: 700;
  text-align: center;
}

#toc_container li, #toc_container ul, #toc_container ul li{
  list-style: outside none none !important;
}

.illustration-Lectures {
  max-width: 50% !important;
}