.mainview {
    width: 1200px;
    height: 80vh;
    margin: 0 auto 0 auto;
}
.mainview h1 {
    text-align:center;
}

.sidebar {
    margin: 10px;
    width: 30%;
    height: 100%;
    overflow: auto;
    display: inline-block;
    scrollbar-width: thin;
}
.sidebar div {
    border: 1px solid gray;
    padding: 5px;
    margin: 2px;
    border-radius: 3px;
    cursor: pointer;
}
.sidebar .selected {
    background-color: lemonchiffon;
}

.comp_display {
    margin: 10px;
    display: inline-block;
    vertical-align: top;
    width: 50%;
    height: 100%;
    border: 1px solid gray;
    border-radius: 3px;
    padding: 5px;
}

.comp_display .title {
    font-size: 2rem;
    color: navy;
}
.comp_display .subtitle {
    font-size: 1.5rem;
    color: dimgrey;
}
.comp_display .block {
    margin: 20px 0 0 0;
}
.comp_display .sep {
    margin: 10px 0 0 0;
    color: slategrey;
}
.comp_display p {
    margin: 3px 0 0 0;
}