body{
  font-family: 'Karla', sans-serif;
  font-size: 16px;
  text-align: left;
  background-color: hsl(204, 43%, 93%);
}

h2{
  color: hsl(179, 62%, 43%);
  font-weight: 700;
  margin: 0;
}

h3{
  color: hsl(71, 73%, 54%);
  font-weight: 400;
  margin: 0;
  padding-top: 30px;
}

h4{
  color: white;
  margin: 0;
  font-weight: 700;
}

p{
  color: hsl(218, 22%, 67%);
  font-weight: 400;
  line-height: 2;
  padding-top: 15px;
  margin: 0;
}

.p-small{
  font-size: 14px;
  color: white;
  font-weight: 400;
  padding-top: 20px;
  line-height: 1.5;
}

.main-box{
  height: auto;
  width: 635px;
  margin: 160px auto;
  border-radius: 7px;
  overflow: hidden;
}

.top-row{
  background-color: white;
  text-align: left;
  padding: 40px;
}

.bottom-row{
  display: flex;
}

.box-left{
  width: 50%;
  background-color: hsl(179, 62%, 43%);
  padding: 40px;
}

.box-right{
  width: 50%;
  background-color: hsl(179, 62%, 53%);
  padding: 40px;
}

.price{
  color: white;
  display: inline-block;
  font-weight: 400;
  margin: 0;
  padding-top: 20px;
}
.price2{
  color: hsl(179, 62%, 53%);
  display: inline-block;
  padding: 15px 0 0 15px;
  margin: auto;
  vertical-align: super;
}

.price3{
  font-weight: 400;
  color: white;
  font-size: 15px;
}

.signup-button {
  margin-top: 25px;
  border-radius: 5px;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
  padding: 15px 0;
  width: 100%;
  background-color: hsl(71, 73%, 54%);
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
  text-align: center;
}

@media only screen and (max-width: 650px) {
  .main-box{
    height: 100%;
    width: 90%;
    margin: 70px auto;
  }

  .bottom-row{
    display: block;
  }
  .box-left{
    width: auto;
  }

  .box-right{
    width: auto;
  }
}