#container textarea,iframe{width:100%;height:100%;box-sizing:border-box}#container,#container textarea,iframe{box-sizing:border-box}#container{position:absolute;top:40px;height:76%;height:calc(100% - 96px)}#container textarea{font-family:'Courier New',Courier,mono;font-size:12px;padding:5px;border-radius:0}iframe{border:1px solid #ddd}h5{padding:10px 12px}