app.css

body {
    height: 100%;
    overflow: hidden;
}

#app-container {
    padding: 0;
}

#main-panel {
    height: 100vh;
    overflow-y: scroll;
    padding-right: 20px;
}

#sidebar-panel {
    height: 100vh;
    overflow-y: scroll;
    border-radius: 0;
}

#comment_content > div {
    padding: 10px;
    border: 1px solid #e3e3e3;
    margin: 10px;
    
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

#comment_content > .active {
    border-color: red;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;

}

#sidebar-panel table {
  table-layout: fixed;
}

#sidebar-panel tr th {
    width: 20%;
}

#sidebar-panel tr :nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: auto;
}

h3 {
    font-size: 1.5em;
}

.btn {
    margin-bottom: 5px;
}

#main-panel .inline > div {
    display: inline-block;
}

#sidebar-panel .inline > div {
    display: inline-block;
    width: 49%;
}