.sample-tutorial {
    position: relative;
    height: 100%;
    overflow: hidden;
}

.sample-spreadsheets {
   width: calc(100% - 280px);
   height: 100%;
   overflow: hidden;
   float: left;
}
        
.options-container {
    float: right;
    width: 280px;
    padding: 12px;
    height: 100%;
    box-sizing: border-box;
    background: #fbfbfb;
    overflow: auto;
}
.option-row {
    font-size: 14px;
    padding: 5px;
    margin-top: 10px;
}
label {
    display: block;
    margin-bottom: 6px;
}
input {
    padding: 4px 6px;
}
input[type=button] {
    margin-top: 6px;
    display: block;
}
body {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}