html, body {
      min-height: 100%;
      }
      body, div, form, input, select, p { 
      padding: 0;
      margin: 0;
      outline: none;
      font-family: Roboto, Arial, sans-serif;
      font-size: 16px;
      color: #eee;
      }
      body {
      background: url("https://solovyev.space/img/bg.jpg") no-repeat center;
      background-size: cover;
      }
      h1, h2 {
      text-transform: uppercase;
      font-weight: 400;
      }
      h2 {
      margin: 0 0 0 8px;
      }
      .main-block {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      height: 100%;
      padding: 25px;
      background: rgba(0, 0, 0, 0.2); 
      }
      .left-part, form {
      padding: 25px;
      }
      .left-part {
      text-align: center;
      }
      .fa-graduation-cap {
      font-size: 72px;
      }
      form {
      background: rgba(0, 0, 0, 0.7); 
      }
      .title {
      display: flex;
      align-items: center;
      margin-bottom: 20px;
      }
      .info {
      display: flex;
      flex-direction: column;
      }
      input, select {
      padding: 5px;
      margin-bottom: 30px;
      background: transparent;
      border: none;
      border-bottom: 1px solid #eee;
      }
      input::placeholder {
      color: #eee;
      }
      option:focus {
      border: none;
      }
      option {
      background: black; 
      border: none;
      }
      .checkbox input {
      margin: 0 10px 0 0;
      vertical-align: middle;
      }
      .checkbox a {
      color: #26a9e0;
      }
      .checkbox a:hover {
      color: #85d6de;
      }
      .btn-item, button {
      padding: 10px 5px;
      margin-top: 20px;
      border-radius: 5px; 
      border: none;
      background: #26a9e0; 
      text-decoration: none;
      font-size: 15px;
      font-weight: 400;
      color: #fff;
      }
      .btn-item {
      display: inline-block;
      margin: 20px 5px 0;
      }
      button {
      width: 100%;
      }
      button:hover, .btn-item:hover {
      background: #85d6de;
      }
      @media (min-width: 568px) {
      html, body {
      height: 100%;
      }
      .main-block {
      flex-direction: row;
      height: calc(100% - 50px);
      }
      .left-part, form {
      flex: 1;
      height: auto;
      }
      }
      .pistg a{
    font-family: 'PT Sans Regular','Arial', sans-serif;
	font-size: 18px;
    color: #FFFFFF;
    text-align: center;
      }
      .responsive {
    width: 100%;
    max-width: 400px;
    height: auto;
}