.contract-contract-pdf{height:100vh}.contract-contract-pdf .contract-contract-pdf-continer{height:100vh;overflow-y:auto}.contract-contract-pdf .contract-contract-pdf-continer .contract-contract-pdf-btn .pdf-btn-l{position:absolute;left:10px;top:60vh;z-index:999}.contract-contract-pdf .contract-contract-pdf-continer .contract-contract-pdf-btn .pdf-btn-r{position:absolute;right:10px;top:60vh;z-index:999}