button{
    margin: 0 auto;
    border-style:groove;
     border-radius: 60px;
     border-width: 6px;
     border-color: black;
    background: linear-gradient(to right, rgb(167, 10, 10), rgb(0, 0, 0));
     color:
     rgb(255, 255, 255); 
     width: 150px; height: 70px;
      font-family:fantasy;

      animation: 0.5s linear 0s 1 running myFrameDash;
 display:block;
 position:relative
}