style.css

*,
*::before,
*::after {
    box-sizing: border-box;
}

@import url(https://fonts.googleapis.com/css?family=Droid+Sans:400,700);

body {
  font-family: 'Droid Sans', sans-serif;
  font-weight: 100;
  margin-bottom: 64px;
}


#container{
    width: 100%;
    max-width: 960px;
    margin: auto;
}

h1, h2 {
    margin: 0;
    text-align: center;
}

h1 {
    margin-top: 24px;
}

h2 {
    margin-bottom: 24px;
}

ul.enumeration {
    padding: 0;
}

ul.enumeration > li {
    list-style-type:none;
    background-color: #FAFAFA;
    padding: 8px;
    margin-bottom: 4px;
    border-radius: 4px;
}

/* ul.enumeration > li > a { */
/*     color: #880000; */
/*     text-decoration: none; */
/* } */

/* ul.enumeration > li > a:hover { */
/*     color: #34495E; */
/* } */

/* ul.enumeration > li > a:visited { */
/*     color: #990000; */
/* } */

.topics {
    display: flex;
    flex-wrap: wrap;
}

.topics > div {
    flex-grow:1;
    width: 50%;
    padding: 4px;
}

.topics > div > h4 {
    text-align: center;
}

.toc > li {
  display: flex;
  padding: 8px;
}

.toc > li > span {
  flex: 0 0 75%;
}

.toc > li > a {
  flex: 0 0 25%;
  display: block;
  text-align: center;
}

.page-layout {
  padding: 0;
  margin: 0;
  display: flex;
   min-height: 100vh;
  flex-direction: column;
}

h1 {
  margin-top: 32px;
}

#container {
  margin-top: 64px;
  flex: 1;
}

.header {
  background-color: #880000;
  color: #999;
  padding: 8px;
}

.std-button {
  padding: 8px;
  background-color: #880000;
  color: #FF8888;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.5s ease;
}

.header a {
  padding: 8px;
  color: #FF8888;
  text-decoration: none;
  /* background-color: #AA0000; */
  margin-right: 12px;
  transition: all 0.5s ease;
}
.std-button:hover,
.header a:hover {
  color: #FFF;
}

#content-blog  {
  padding: 0;
  margin-top: 32px;
}

#content-blog > li {
  padding: 8px;
  margin: 8px;
  list-style-type:none; 
  display: flex;
  cursor: pointer;
  background-color: #F8F8F8;
}

/* #content-blog > li > * { */
/*     flex: 0 0 50%; */
/* } */

#content-blog > li > img {
  width: 50px;
  height: 50px;
  margin-right: 20px;
  border-radius: 50%;
}

#content-blog h3 {
  margin: 0;
}

.blogpost {
  margin: 64px;
}

.blogpost h1,
.blogpost h2,
.blogpost h3,
.blogpost h4,
.blogpost h5,
.blogpost h6
 {
   margin-top: 32px;
  text-align: left;
}

.blogpost p {
  text-indent: 50px;
  text-align: justify;
  line-height: 1.8em;
}

pre {
  background-color: black;
  color: yellow;
  padding: 6px;
  margin: 24px;
}

@media screen and (max-width: 800px) {

    .topics {
        display:block;
    }
    
    .topics > div {
        width: 100%;
        display: block;
    }
    

}