.pisah {
    border: 0;
    height: 1px;
    background: #333;
    background: -webkit-gradient(linear, left top, right top, color-stop(0%,hsla(0,0%,0%,0)), color-stop(50%,hsla(0,0%,0%,.75)), color-stop(100%,hsla(0,0%,0%,0)));
    background: -webkit-linear-gradient(left, hsla(0,0%,0%,0) 0%, hsla(0,0%,0%,.75) 50%, hsla(0,0%,0%,0) 100%);
    background:    -moz-linear-gradient(left, hsla(0,0%,0%,0) 0%, hsla(0,0%,0%,.75) 50%, hsla(0,0%,0%,0) 100%);
    background:     -ms-linear-gradient(left, hsla(0,0%,0%,0) 0%, hsla(0,0%,0%,.75) 50%, hsla(0,0%,0%,0) 100%);
    background:      -o-linear-gradient(left, hsla(0,0%,0%,0) 0%, hsla(0,0%,0%,.75) 50%, hsla(0,0%,0%,0) 100%);
    background:         linear-gradient(left, hsla(0,0%,0%,0) 0%, hsla(0,0%,0%,.75) 50%, hsla(0,0%,0%,0) 100%);
}