.portfolio-btn{
    background: -webkit-linear-gradient(90deg, #291d53,#4d1740,#5a1e2d);background: linear-gradient(90deg, #291d53,#4d1740,#5a1e2d);
}
.background {
    content: '';
    position: absolute;
    top: 50vh;
    left: 0;
    width: 200%;
    height: 120%;
    background: repeating-radial-gradient(
      circle at 60% 60%,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0.1) 10px,
      transparent 5px,
      transparent 20px
    ); /* Crea un patrón radial repetido para simular las ondas */
    opacity: 0.2; /* Ajusta la opacidad */
    transform: rotate(0deg); /* Rota para dar un efecto de onda inclinada */
    pointer-events: none;
  }