.hover_secondcol2:before {
    content: "";
    background: #ffffff;
    position: absolute;
    height: 100%;
    width: 5px;
    right:0px;
    border-radius:5px;
    transition:all 0.4s ease-in-out;
}

.hover_secondcol2:hover:before {
    height: 100%;
    width: 100%;
}

.hover_secondcol2 span {
    position:relative;
    z-index:3;
}