.speed-limit-sign {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px; /* Diameter of the sign */
    height: 40px;
    border-radius: 50%; /* Makes it a circle */
    background-color: white; /* Inner white background */
    color: black; /* Black text */
    font-size: 1rem; /* Adjust text size */
    font-weight: bold; /* Bold text */
    text-align: center;
    position: relative;
    border: 4px solid red; /* Outer red ring */
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.2); /* Optional subtle shadow */
  }