:root {
  --cyan: hsl(179, 62%, 43%);
  --bright-yellow: hsl(71, 73%, 54%);
  --light-grey: hsl(204, 43%, 93%);
  --gray-blue: hsl(218, 22%, 67%);
}

body {
  margin: 0;
  padding: 0;
  max-width: 1920px;
  overflow-x: hidden;
  font-family: "Karla";
  background-color: var(--light-grey);
}

main {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  margin-top: 50px;
}

.one {
  width: 370px;
  height: 300px;
  background-color: white;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
}

.two {
  width: 370px;
  height: 250px;
  background-color: var(--cyan);
}

.three {
  width: 370px;
  height: 300px;
  background-color: hsla(179, 62%, 43%, 0.7);
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
}

h1 {
  font-size: 25px;
  color: var(--cyan);
  padding-left: 20px;
}

h2 {
  font-size: 20px;
  color: var(--bright-yellow);
  padding-left: 20px;
}

p {
  font-size: 16px;
  color: var(--gray-blue);
  padding-left: 20px;
  padding-right: 20px;
  line-height: 1.7;
}

h3 {
  font-size: 25px;
  color: white;
  padding-left: 20px;
}

span {
  font-size: 35px;
  color: white;
  font-weight: 700;
  padding-right: 10px;
}

p.month {
  color: var(--light-grey);
}

p.two-text {
  color: white;
  font-size: 16px;
  position: relative;
  top: -20px;
}

button[type="submit"] {
  padding: 15px 130px 15px 130px;
  margin-left: 22px;
  background-color: var(--bright-yellow);
  border: transparent;
  border-radius: 5px;
  color: white;
  font-size: 18px;
  position: relative;
  top: -20px;
  cursor: pointer;
  transition: 0.5s;
}

button[type="submit"]:hover {
  background-color: hsla(71, 73%, 54%, 0.7);
}

p.info {
  color: var(--light-grey);
}

.attribution {
  text-align: center;
}

@media only screen and (min-width: 1400px) {
  main {
    display: grid;
    margin-top: 150px;
  }
  .one {
    width: 750px;
    height: 250px;
    grid-column-start: 1;
    grid-column-end: 3;
  }

  .two {
    height: 300px;
    width: 377px;
    border-bottom-left-radius: 5px;
    grid-row-start: 2;
    grid-column-start: 1;
    grid-column-end: 1;
  }
  .three {
    width: 373px;
    border-bottom-left-radius: 0;
    grid-row-start: 2;
    grid-column-start: 2;
    grid-column-end: 2;
  }
  h1 {
    font-size: 30px;
  }
  h2 {
    font-size: 25px;
  }
  p.intro {
    font-size: 20px;
  }
  button[type="submit"] {
    top: 10px;
  }
}