body {
    position: absolute;
    margin: 0;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.sample-tutorial {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: row;
    overflow: hidden;
}

.spread-container {
    width: 64%;
    height: 100%;
    vertical-align: top;
}

.formula-panel {
    width: 36%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.formula-panel .buttons {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    padding-right: 125px;
    position: relative;
    border-bottom: 1px solid black;
    height: 22px;
}

.panel-width-label {
    position: absolute;
    right: 0px;
}

.panel-width {
    width: 40px;
}

.formula-panel .editor-container {
    height: calc(100% - 22px);
}