digital-filter-designer/style.css

  * {
    margin: 0;  
    padding: 0;
  }
  body {
    font-family: "Hind Vadodara", -apple-system, BlinkMacSystemFont, Segoe UI,
      Helvetica Neue, Arial, sans-serif;
  }
  .container {
    display: flex;
    height: 80vh;
    width: 100vw;
    flex-wrap: wrap;
    overflow: hidden;

  }
  .main {
    height: calc(100% - 50px);
    display: flex;
    flex: 1;
  }
  .sidebar {
    height: 100%;
    width: 220px;
    box-sizing: border-box;
    box-shadow: 0 0 2rem 0 rgb(0 0 0 / 5%);
    overflow: hidden;
    transition: width 0.5s ease;
  }
  .container.nav-closed .sidebar,
  .container.nav-closed .header-logo {
    width: 0;
  }
  .sidebar ul {
    display: flex;
    flex-direction: column;
    padding: 5px;
  }
  .sidebar ul li {
    display: flex;
    align-items: center;
  }
  .sidebar ul li a {
    color: #000;
    text-decoration: none;
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px;
    white-space: nowrap;
  }
  .sidebar ul li a.active,
  .sidebar ul li a:hover {
    background: #e8ecef;
  }
  .sidebar ul li span {
    margin-left: 16px;
    font-size: 16px;
    font-weight: 100;
  }
  .sidebar ul li i {
    font-size: 18px;
    color: #111;
    font-weight: normal;
  }
  .header {
    height: 50px;
    background: #303f9f;
    width: 100%;
    display: flex;
    align-items: center;
    flex-basis: 100%;
  }
  .sidebar ul li a.active i {
    color: #303f9e;
  }
  .site-logo {
    height: 32px;
    width: 32px;
    min-height: 32px;
    min-width: 32px;
    margin: 0 18px 0 15px;
  }
  .site-logo path {
    fill: #fff;
  }
  .site-title {
    color: #fff;
    font-size: 24px;
    letter-spacing: 1px;
    font-weight: 400;
  }
  .page-content {
    padding: 10px 20px;
    box-sizing: border-box;
    width: 100%;
    flex: 1;
  }
  .header-search .button-menu {
    width: 28px;
    height: 28px;
    margin-right: 15px;
    background: none;
    border: 0;
    cursor: pointer;
  }
  .header-logo {
    display: flex;
    align-items: center;
    width: 220px;
    overflow: hidden;
    transition: width 0.5s ease;
  }
  .header-search input[type="search"] {
    height: 100%;
    width: 300px;
    padding: 10px 20px;
    box-sizing: border-box;
    font-size: 14px;
    font-weight: 100;
    background: none;
    border: none;
    color: #fff;
  }
  .header-search input[type="search"]:focus {
    outline: none;
  }
  .header-search input[type="search"]::placeholder {
    color: #ccc;
  }
  .header-search .button-menu:focus {
    outline: none;
    border: none;
  }
  .header-search .button-menu svg path {
    fill: #fff;
  }
  @media screen and (max-width: 991px) {
    .page-content {
      width: 100vw;
    }
  }
  @media screen and (max-width: 767px) {
    .header-logo {
      display: none;
    }
  }

#zplane_polezero2{border:2px solid black;}

#allpass {
    background-color: #e8ecef;
    display: flex;
    height: 50vh;
    width: 100vw;
    margin-left: 240px;
    flex-wrap: wrap;
    flex-direction: column;
    overflow: hidden;
    justify-content: space-between;
}

#allpass div {
    justify-content: center;
}