* {
  padding: 0;
  margin: 0;
  border: none;
}

.attribution {
  font-size: 11px;
  text-align: center;
}

.attribution a {
  color: hsl(228, 45%, 44%);
}

.background {
  padding-top: 10vh;
  font-family: 'Libre Franklin', sans-serif;
}

.hero-heading {
  font-weight: 300;
  font-size: 50px;
  letter-spacing: -0.02em;
  color: #969696;
}

.soon {
  font-weight: 700;
  color: #151F29;
}

.hero-para {
  font-weight: 300;
  font-size: 20px;
  color: #151F29;
}

.input {
  width: 30%;
  min-width: 350px;
  height: 55px;
  padding-left: 20px;
  border: 1px solid #C2D3FF;
  border-radius: 25px;
  color: #151F29;
}

.input:focus {
  outline: none;
}

::placeholder {
  color: #C2D3FF;
}

.button {
  width: 15%;
  min-width: 150px;
  height: 55px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: #fff;
  background: #4C7BF3;
  box-shadow: 0 4px 10px rgba(76, 123, 243, 0.3);
  border-radius: 25px;
}

.button:hover {
  opacity: 0.6;
}

.hero-img {
  width: 45%;
}

.social-btn {
  height: 30px;
  width: 30px;
  border: 1px solid #C2D3FF;
  background-color: transparent;
  color: #4C7BF3;
  border-radius: 30px;
  margin-left: 14px;
}

.social-btn:hover {
  background-color: #4C7BF3;
  color: #fff;
}

.copyright {
  font-weight: 300;
  font-size: 12px;
  color: #969696;
}

.invalid {
  position: relative;
  right: 13.6%;
  font-size: 13px;
  font-weight: 300;
  color: #FF5263;
  visibility: hidden;
}

@media (max-width: 767px) {

  .background {
    padding-left: 5vw;
    padding-right: 5vw;
  }

  .hero-heading {
    font-size: 30px;
  }

  .hero-img {
    width: 100%;
    margin-bottom: 8vh;
  }

  .input {
    min-width: 320px;
    margin-left: 15px;
    margin-left: auto;
    margin-right: auto;
  }

  .button {
    margin-top: 0;
    min-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 702px) {
  .button {
    margin-top: 20px;
  }
}