html,
    body {
      background: #fff;
      padding: 0;
      margin: 0;
      font-size: 13px;
      font-family: verdana, arial, sans-serif;
      line-height: 17px;
    }
    a {
      color: #5e7968;
    }
    #content {
      padding: 20px;
      color: #5e7968;
      margin: 0 auto;
      width: auto;
      text-align: center;
      max-width: 55%;
    }
    h2 {
      margin: 30px 0 20px;
      padding: 0;
      font-size: 150%;
    }
    #logo {
      width: 76px;
      background: #fff;
      margin: 0 0 10px 0;
    }
    .ad {
      display: block;
      padding: 20px;
      max-width: 250px;
      margin: 0.5em auto 2em auto;
      border: solid 1px #5e7968;
      background-color: #e2ece6;
      text-align: center;
    }
    .ad h1 {
      line-height: 1em;
      font-size: 1.2em;
    }
    .ad a {
      display: block;
    }
    nav {
      display: block;
      position: relative;
    }
    nav ul {
      display: block;
      list-style: none;
      margin: 2em 0;
      padding: 1em 0;
      border-top: solid 1px #5e7968;
      border-bottom: solid 1px #5e7968;
    }
    nav li {
      display: inline-block;
      margin-right: 10px;
      font-weight: bold;
    }
    strong {
      font-weight: normal;
    }
    .services {
      text-align: left;
      max-width: 30%;
      margin: 0 auto;
    }
    .services li {
      font-size: 85%;
    }
    .contacts em {
      white-space: nowrap;
      font-style: normal;
    }
    .nowrap {
      text-wrap: nowrap;
    }
    footer {
      font-size: 85%;
    }
    @media only screen and (max-width: 480px) {
      html,
      body {
        font-size: 5vw;
        line-height: 7vw;
      }
      #content {
        position: relative;
        padding: 7vw;
        max-width: none;
      }
      #logo {
        width: 20vw;
        border-width: 0.5vw;
        padding: 0.5vw;
        margin-bottom: 2vw;
      }
      .ad {
        max-width: none;
      }
      .services {
        max-width: none;
      }
      footer em {
        display: block;
        font-size: 0;
        color: #fff;
        line-height: 0;
      }
      #nav {
        position: fixed;
        top: 1.5vw;
        right: 2.5vw;
      }
      #nav ul {
        display: block;
        margin: 0 auto;
        padding: 0;
        position: fixed;
        width: 100%;
        height: 100%;
        top: 0;
        opacity: 0;
        background: #e2ece6;
      }
      #nav ul li {
        z-index: 1;
        position: relative;
        display: block;
        margin: 0;
      }
      #nav ul a {
        display: block;
        padding: 3vw 7vw;
        border-bottom: solid 1px #5e7968;
        text-decoration: none;
        border-left: solid 1px #5e7968;
        border-right: solid 1px #5e7968;
        text-align: left;
        font-size: 6vw;
      }
      #nav.active ul {
        animation-name: navShow;
        animation-duration: 250ms;
        animation-fill-mode: forwards;
      }
      #nav.inactive ul {
        animation-name: navHide;
        animation-duration: 250ms;
        animation-fill-mode: forwards;
      }
      .nav-button {
        position: absolute;
        top: 0;
        right: 0;
        cursor: pointer;
        color: #F5F5F5;
        display: block;
        padding: 2vw;
      }
      #nav .nav-button::after {
        display: block;
        content: '';
        width: 7vw;
        height: 7vw;
        background-image: url('images/hamburger.png');
        background-size: 7vw 7vw;
      }
      #nav.active .nav-button::after {
        background-image: url('images/close.png');
      }
      @keyframes navShow {
        0% {
          left: 100%;
          opacity: 0;
        }
        100% {
          left: 0%;
          opacity: 0.9;
        }
      }
      @keyframes navHide {
        0% {
          left: 0%;
          opacity: 0.9;
        }
        100% {
          left: 100%;
          opacity: 0;
        }
      }
    }