style.css

body {
    margin: 0px;
    font-size: 12px;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #263238;
}

.window {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.horizonal-holder {
    flex: 1;
    display: flex;
    flex-direction: row;
    overflow: hidden;
}

.box {
    display: flex;
    flex-direction: column;
}

.box-border-right {
    border-right: 1px solid #546E7A;
}

.box-border-left {
    border-left: 1px solid #546E7A;
}

.sidebar {
    width: 200px;
}

.stage {
   flex: 1; 
}

.title {
    padding: 10px;
    background-color: #37474F;
    border-bottom: 1px solid #546E7A;
    color: #ECEFF1;
}

.list {
    width: 100%;
    overflow: scroll;
}

.list-entry {
    padding: 10px;
    color: #ECEFF1;
}

.list-entry:hover {
    background-color: #ECEFF1;
    color: #263238;
    cursor: pointer;
}

.list-entry-selected {
    background-color: #ECEFF1;
    color: #263238;
}

.section {
    color: #ECEFF1;
    padding: 10px;
    border-bottom: 1px solid #37474F;
}

.input-base {
    background-color:#37474F;
    color: #ECEFF1;
    border: 1px solid #546E7A;
    margin-top: 5px;
    margin-bottom: 5px;
    font-size: 12px;
    outline: none;
    padding: 2px;
    width: calc(100% - 6px);
}

.input-base:hover {
    background-color: #ECEFF1;
    color: #263238;
    cursor: pointer;
}

.input-button {
    border-radius: 5px;
    padding: 5px;
    width: 100%;
}

.entry-title {
    padding: 5px;
    border-bottom: 1px solid #37474F;
}

.entry {
    color: #ECEFF1;
    border-bottom: 1px solid #37474F;
}

.entry:hover {
    background-color: #ECEFF1;
    color: #263238;
    cursor: pointer;
}

.collapsable {
    color: #ECEFF1;
}

.indent {
    margin-left: 30px;
    padding: 2px;
}

.line {
    padding: 1px;
}

.top-bar {
    padding: 10px;
    border-bottom: 1px solid #546E7A;
    color: #ECEFF1;
}

.hilighted {
    color: #37474F;
    background-color: orange;
    padding: 2px;
}