body {
  margin: 0;
  font-family: 'Helvetica Neue', sans-serif;
  background-color: #000000;
  color: #FFFFFF;
}

.container {
  width: 100%;
  height: 100%;
  position: relative;
}

/* maintain 16,9 ratio*/
.iframe__wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
}

.iframe__wrap > iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0; bottom: 0; left: 0; right: 0;
}

h1 {
  font-weight: normal;
  font-size: 20px;
  line-height: 24px;
  text-align: left;
}

.copy {
  margin-bottom: 30px;
}

button {
  height: 50px;
  width: 315px;
  border: none;
  color: #000000;
  background-color: #FFFFFF;
  margin-bottom: 60px;
  font-size: 15px;
  font-family: 'Helvetica Neue', sans-serif;
  line-height: 19px;
  cursor: pointer;
  font-weight: bold;
  text-transform: uppercase;
}

button:focus {
  outline: 0;
}

img {
  width: 63px;
  display: block
}

.content {
  position: relative;
  margin: 30px; 
}

@media (max-width: 320px) {
  button {
    width: 100%;
  }
}

@media (min-width: 670px) {
  h1 {
    font-size: 23px;
    line-height: 33px;
  }

  img {
    width: 94px;
    position: absolute;
    right: 0;
    top: 0;
  }

  button {
    height: 60px;
    margin-bottom: 0;
    font-size: 18px;
    line-height: 22px;
  }

  .container {
    max-width: 850px;
    margin: auto;
    padding: 50px;
  }

  .content {
    margin: 30px 0 0 0;
  }

  .copy {
    max-width: 75%;
  }
}