.wrapper{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;height:100%}.block{width:100vw;height:80px;background-color:hsla(0,0%,100%,.8);position:fixed;bottom:0;display:grid;place-items:center}.block span{font-size:14px;color:#303133}.block .power-btn{color:#409eff!important;font-weight:700;font-size:16px}.img-pdf{width:100vw}.pdf-section{overflow-y:auto;height:100vh}