.pt_plus_button .button-link-wrap:hover .button_line
{
    -webkit-animation: mymove 1s;
    -webkit-animation-iteration-count: 1;
    animation: mymove 1s;
    animation-iteration-count: 1;
}
.pt_plus_button .button-link-wrap .button_line
{
    position: absolute;
    background: #000;
    width: 100%;
    height: 1px;
    bottom: 0;
    left: 0%;
    pointer-events: none;
    z-index: 11;
    display: inline-block;
}
@-webkit-keyframes mymove
{
    0%
    {
        left: 0%;
        width: 100%;
    }
    45%
    {
        left: 100%;
        width: 0%;
    }
    55%
    {
        left: 0%;
        width: 0%;
    }
    100%
    {
        left: 0%;
        width: 100%;
    }
}
@keyframes mymove
{
    0%
    {
        left: 0%;
        width: 100%;
    }
    45%
    {
        left: 100%;
        width: 0%;
    }
    55%
    {
        left: 0%;
        width: 0%;
    }
    100%
    {
        left: 0%;
        width: 100%;
    }
}