style.css

.cube-textarea-wrapper{-webkit-transition:height .2s;transition:height .2s;height:40px;font-size:14px;line-height:1.429;position:relative}.cube-textarea-wrapper textarea::-webkit-input-placeholder{color:#ccc;text-overflow:ellipsis}.cube-textarea-wrapper:after{content:"";pointer-events:none;display:block;position:absolute;left:0;top:0;-webkit-transform-origin:0 0;transform-origin:0 0;border:1px solid #ebebeb;border-radius:2px;box-sizing:border-box;width:100%;height:100%}@media (-webkit-min-device-pixel-ratio:2),(min-resolution:2dppx){.cube-textarea-wrapper:after{width:200%;height:200%;border-radius:4px;-webkit-transform:scale(.5);transform:scale(.5)}}@media (-webkit-min-device-pixel-ratio:3),(min-resolution:3dppx){.cube-textarea-wrapper:after{width:300%;height:300%;border-radius:6px;-webkit-transform:scale(.333);transform:scale(.333)}}.cube-textarea_expanded{height:80px}.cube-textarea_active{position:relative}.cube-textarea_active:after{content:"";pointer-events:none;display:block;position:absolute;left:0;top:0;-webkit-transform-origin:0 0;transform-origin:0 0;border:1px solid #fc9153;border-radius:2px;box-sizing:border-box;width:100%;height:100%}@media (-webkit-min-device-pixel-ratio:2),(min-resolution:2dppx){.cube-textarea_active:after{width:200%;height:200%;border-radius:4px;-webkit-transform:scale(.5);transform:scale(.5)}}@media (-webkit-min-device-pixel-ratio:3),(min-resolution:3dppx){.cube-textarea_active:after{width:300%;height:300%;border-radius:6px;-webkit-transform:scale(.333);transform:scale(.333)}}.cube-textarea-indicator{position:absolute;bottom:7px;right:10px;color:#ccc}.cube-textarea{width:100%;height:100%;text-align:left;padding:10px;box-sizing:border-box;font-size:100%;line-height:inherit;color:#666;background-color:#fff;border-radius:2px;resize:none;border:none;outline:none}