.header {
        background-color: rgba(161, 0, 255, 0.5);
        height: 70px;
        width: 97%;
        border-width: 1px;
        border-style: solid;
        border-color: gray;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        border: none;
        position: fixed;
        top: 20px;
        left: 25px;
        right: 20px;
        z-index: 100;
      }

      .Sec1, .Sec2, .Sec3, .Sec4 {
        flex: 1;
        text-align: center;
        font-family: Arial, sans-serif;
        font-size: 20px;
        color: white;
      }
      .Sec1 a, .Sec2 a, .Sec3 a, .Sec4 a {
        text-decoration: none;
        color: white;
      }