@media only screen and (max-width: 760px) {
    body {
        margin: 0;
    }
    .header {
        position: fixed;
        top: 0;
        height: 80px;
        width: 100%;
        z-index: 100;
        background-color: #fff;
        box-shadow: 0 2px 4px -1px rgba(0,0,0,0.25);
    }
    .title-span {
        width: 100%;
        margin-top: 5px;
        margin-left: auto;
        margin-right: auto;
        height: 70px;
        margin-bottom: 5px;
    }
    h1.site-title {
      font-size: 200%;
      margin: 0px;
    }
    .archive-span {
        margin: 5px;
        color: gray;
    }
    .main{
        width: 90%;
        margin-top: 150px;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: auto;
    }
    .topic-head{
        display: inline-block;
        width:90%;
    }
    .category-head{
        display: none;
    }
    .post-count-head{
        display: none;
    }
    .topic{
        display: inline-block;
        width:90%;
    }
    .category{
        display: none;
    }
    .post-count{
        display: none;
    }
}

@media only screen and (min-width: 761px) {
  .header {
      position: fixed;
      top: 0;
      height: 80px;
      width: 100%;
      z-index: 100;
      background-color: #fff;
      box-shadow: 0 2px 4px -1px rgba(0,0,0,0.25);
  }
  .title-span {
      width: 80%;
      margin-top: 5px;
      margin-left: auto;
      margin-right: auto;
      height: 70px;
      margin-bottom: 5px;
  }
  h1.site-title {
    font-size: 300%;
    margin: 0px;
  }
  .archive-span {
      color: gray;
      font-size: 120%;
      padding: 10px;
  }
  .main{
      width: 70%;
      margin-top: 100px;
      margin-left: auto;
      margin-right: auto;
      margin-bottom: auto;
  }
  .topic-head{
      display: inline-block;
      width:65%;
  }
  .category-head{
      display: inline-block;
      width:14%;
  }
  .post-count-head{
      display: inline-block;
      width:9%;
  }
  .post-creation-date-head{
      display: inline-block;
      width:10%;
  }
  .topic{
      display: inline-block;
      width:65%;
  }
  .category{
      display: inline-block;
      width:14%;
  }
  .post-count{
      display: inline-block;
      width:9%;
  }
  .post-creation-date{
      display: inline-block;
      width:10%;
  }
}

a {
    color: black;
}
a:visited {
    color: gray;
}

h1.topic-title {
    border-bottom: 2px solid darkgray;
}

.user_name {
    font-size: 110%;
    color: #555555;
}
.creation_date {
    font-size: 110%;
    color: #555555;
}
.post_container {
    border-bottom: 1px solid lightgray;
    padding: 20px;
}
.avatar {
    border-radius: 50%;
}
.avatar_container {
    float: left;
}

label {
    display: inline-block;
    width: 5em;
}

.fa {
    padding-right: 5px;
}
.header-row {
    padding-bottom: 8px;
    border-bottom: 3px solid gray;
}
.topic-row {
    padding: 8px;
    border-bottom: 1px solid lightgray;
}

div.meta {
    display: none;
}