.document-tbl td {
    width: 50%;
    padding: 15px;
    border: 1px solid #ddd;
    font-size: 15px;
    vertical-align: middle;
}

ul.clearfix.custspan{display: flex;  animation: scroll 30s linear infinite;}
@keyframes scroll {
    0% {transform: translateX(0px);}
    100% {    transform: translateX(-1200px);}
    /* 0% { transform: translateX(100%); } */
    /* 80% { transform: translateX(-100%); } */
}