.post-navigation .screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    height: 1px;
    overflow: hidden;
    position: absolute !important;
    width: 1px;
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
    display: inline-block;
    width: 50%;
}

.post-navigation .nav-next {
    text-align: right;
}