.roundCorner
{
    /*width: 170px;
    height: 20px;*/
    /*padding: 2em 0em 1em;*/
    padding: 4em 0em 2.5em;
    color: #FFF;
    /* border: 1px solid; */
    border-top: 0;
    position: relative;
    background: linear-gradient(to right, #0b1d2b 3%, #030a12 51%, #0b1d2b 99%);
}
.roundCorner:after {
    position: absolute;
    left: -1px;
    right: -1px;
    top: 0;
    height: 1.5em;
    /* border: 1px solid black; */
    /* border-top: 0; */
    /*border-radius: 0 0 13em 13em / 0 0 3em 3em;*/
    /*border-radius: 0 0 90em 90em / 0 0 10em 10em;*/
    border-radius: 0 0 70em 70em / 0 0 9em 9em;
    content: '';
    background: #fff;
}