main.css

body {
  color: #333;
  font-family: HelveticaNeue-Light, sans-serif;
  font-size: 16px;
  line-height: 1.625;
}

h1 {
  font-family: HelveticaNeue-Thin;
  font-size: 12px;
  margin-bottom: 10px;
}

h2 {
  font-size: 20px;
  font-weight: bold;
}

h2 span {
  font-weight: normal;
}

strong {
  font-weight: bold;
}

p {
  margin-bottom: 15px;
}

a {
  color: #1d80ac;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  background-color: #f2f2f2;

  padding: 55px;
  font-size: 12px;
}

#agenda {
  margin-top: 55px;
  margin-bottom: 55px;
}

.wrap0 {
  width: 830px;
  box-sizing: border-box;
  margin-left: auto;
  margin-right: auto;
}

.header-image {
  background-image: url('assets/fjordgata.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: left center;
  height: 360px;
  margin-bottom: 55px;
}

#logo {
  width: 260px;
  margin-top: 15px;
  margin-bottom: 35px;
}

.top-header {
  font-size: 20px;
  padding-bottom: 85px;
  padding-top: 85px;
  text-align: center;
  width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.content-preamble {
  width: 580px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.agenda-item {
  display: flex;
  padding-bottom: 40px;
  padding-top: 45px;
  padding-left: 35px;
  border-bottom: 1px solid #ddd;
}

.agenda-item:last-child {
  border-bottom: none;
}

.agenda-item:nth-child(odd) {

}

.agenda-item:nth-child(even) {

}

.agenda-item--meta,
.agenda-item--content {

}

.agenda-item--meta {
  font-size: 38px;
  color: #1d80ac;
  line-height: 1;
  width: 15%;
}
.agenda-item--content {
  padding-left: 35px;
  width: 85%;
}


@media(max-width: 830px) {
  footer {
    padding-left: 25px;
    padding-right: 25px;
  }

  #agenda {
    margin-left: -25px;
    margin-right: -25px;
  }

  .wrap0 {
    width: 100%;
    padding-left: 25px;
    padding-right: 25px;
  }

  .content-preamble {
    width: 100%;
    box-sizing: border-box;
    text-align: center;
  }
}

@media(max-width: 720px) {
  .top-header {
    width: 100%;
    box-sizing: border-box;
    padding-left: 25px;
    padding-right: 25px;
  }

  .agenda-item {
    display: block;
    padding: 25px;
  }

  .agenda-item--meta,
  .agenda-item--content {
    width: 100%;
    padding: 0;
  }

  .agenda-item--meta {
    font-size: 14px;
    line-height: 1.625;
  }

  h2 {
    font-size: 16px;
    margin-bottom: 10px;
  }

  h2 span {
    display: block;
    font-size: 14px;
    color: #888;
  }
}

@media(max-width: 550px) {
  .top-header  {
    font-size: 16px;
  }
}

@media(max-width: 430px) {
  #logo {
    width: 230px;
  }
}