body{
  background:#fff;
  text-align: center;
  font-size: 18px;
  font-family: Arial, sans-serif;
  line-height: 1.3;

}

h1{
  font-size: 2.9em;
  font-weight: 400;
  line-height: 1.1;

}
p{
  margin-bottom: 30px;
}

.green{
  color: #40a020;
}

.block{
  max-width: 700px;
  margin: 30px auto;
  padding: 10px;

}

#logo{
  margin-bottom: 25px;
}

.container-iframe { position: relative; width: 100%; overflow: hidden; padding-top: 56.25%; }
.responsive-iframe { position: absolute; top: 0; left: 0; bottom: 0; right: 0; width: 100%; height: 100%; border: none; }


@media only screen and (max-width: 768px) {
  body {
    width: 100%;
    font-size: 16px;
    margin:0;
  }
  .block{
    padding: 10px;

  }
  h1{
    font-size: 2.4em;
  }
}