header{
    position:fixed;
    width: 100%;
    height: 70px;
    top: 0;
    left: 0;
    background-color: #230b77;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
   }
   .menu_icon{
    position: absolute;
    font-size: 40px;
    left: 10px;
    cursor: pointer;
   }
  header h1{
    font-size: 20px;
    font-style: normal;
  }