body {
   font-family: Calibri, Verdana, Arial, Helvetica, sans-serif;
   font-size: 0.8em;
   color: #555;
   background-color: #CCCCCC;
}

.main_header {
   font-size: 4em;
   text-align: center;
   margin-top: 10px;
   font-weight: bolder;
}

.sub_header {
   font-size: 2em;
   text-align: center;
   margin-top: 10px;
   font-weight: bolder;
}

.site_logout {
   font-size: 1.5em;
   display: flex;
   justify-content: right;
   align-items: right;
   flex-direction: row;
}

.site_center {
   margin-left: 15px;
   margin-right: 15px;
   margin-top: 10px;
   display: flex;
   justify-content: center;
   align-items: center;
   flex-direction: row;
}

.site_paragraph {
   font-size: 1.5em;
   text-align: justify;
   margin-left: 15px;
   margin-right: 15px;
   margin-top: 10px;
}

.site_paragraph_header {
   font-size: 2em;
   text-align: left;
   margin-left: 15px;
   margin-right: 15px;
   margin-top: 10px;
   font-weight: bolder;
}

.site_search {
   font-size: 1.5em;
   text-align: left;
   margin-left: 15px;
   margin-right: 15px;
   margin-top: 10px;
}

.site_list {
   font-size: 1.5em;
   text-align: left;
   margin-left: 15px;
   margin-right: 15px;
   margin-top: 10px;
}

.site_graph_container {
   font-size: 1.5em;
   margin-top: 15px;
   margin-left: 15px;
   margin-right: 15px;
}

.site_graph {
   font-size: 1.5em;
   margin-top: 15px;
   margin-left: 50px;
   margin-right: 50px;
   width: 90%;
}