h1.poll
{
  margin: 1.5em 5%;
  font-family: "PT Serif", serif;
  font-size: 2.5rem;
}

.option
{
  display: flex;
  align-items: center;
  margin: auto;
  width: 25rem;
  box-sizing: border-box;

  background: #141414;
}
.option > input
{
  position: absolute;
  float: left;
  width: 0;
  opacity: 0;
  cursor: pointer;
}
.option > .check
{
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1em;
  padding: 0;
  width: 1.25em;
  height: 1.25em;
  background: #202020;
}
.option > .check::before
{
  content: "";
  transition: transform 0.1s linear, border-radius 0.4s ease-out;
  display: block;
  background: #0088E5;
  width: 0.75em;
  height: 0.75em;
  border-radius: 50%;
  transform: scale(0);
}
.option input:checked ~ .check::before
{ border-radius: 0; transform: scale(1); }
.option > label
{
  flex: 1;
  display: block;
  margin: 0;
  padding: 1em;
  font-family: "PT Serif", serif;
  font-size: 1.2em;
  cursor: pointer;
  text-align: left;
}

@media screen and (max-width: 640px)
{
  h1.poll
  { font-size: 2em; }
  .option
  { width: 100%; }
}