::-webkit-input-placeholder{color:#bfbfbf;font-size:16px}::-moz-placeholder{color:#bfbfbf;font-size:16px}:-ms-input-placeholder{color:#bfbfbf;font-size:16px}input::-webkit-input-safebox-button{display:none}.histogram-area{width:100%;height:calc(100% - 36px);padding:16px 12px;box-sizing:border-box}.histogram-area #histogram{width:100%;height:100%}