* {
  box-sizing: border-box;
}

:root {
  --blue: hsl(223, 87%, 63%);
  --paleBlue: hsl(223, 100%, 88%);
  --lightRed: hsl(354, 100%, 66%);
  --gray: hsl(0, 0%, 59%);
  --veryDarkBlue: hsl(209, 33%, 12%);
}

body {
  padding: 0;
  margin: 0;
  font-family: 'Libre Franklin', sans-serif;
  font-size: 20px;
  text-align: center;
}

.container {
  width: 80%;
  margin: 1em auto 0 auto;
  min-width: 375px;
}

h1 {
  font-size: 2rem;
}

span {
  font-weight: 300;
  color: var(--gray);
}

form {
  display: flex;
  flex-direction: column;
}

input,
button {
  padding: 1em 2em;
  border-radius: 100px;
  margin: 0.5em 4em;
}

input {
  border: 1px solid var(--paleBlue);
  outline: none;
}

::placeholder {
  color: var(--gray);
  opacity: 0.5;
}
/* Add error classes in form for input and p tags */

.invalid {
  display: none;
}

.error {
  border: 1px solid var(--lightRed);
}

.error-p {
  color: red;
  font-size: 1rem;
  width: 50%;
  margin: 0 auto 1.5em auto;
}

button {
  cursor: pointer;
  background-color: var(--blue);
  color: whitesmoke;
  font-weight: 700;
  border: 1px solid transparent;
  transition: 250ms;
}

button:hover,
button:focus {
  background-color: #fff;
  color: var(--blue);
  border: 1px solid var(--blue);
}

.dashboard {
  max-width: 100%;
  margin: 3em auto 4.7em auto;
}

.icons {
  font-size: 1.5em;
  margin-bottom: 1em;
}

.icons > * {
  cursor: pointer;
}

.twitter-icon {
  margin: 0 0.2em;
}

footer {
  color: var(--gray);
  font-size: 1rem;
}

/* DESKTOP */

@media (min-width: 800px) {
  h1 {
    font-size: 2.5rem;
  }
  form {
    flex-direction: row;
  }
  input {
    width: 60%;
    margin-right: 1em;
  }
  button {
    width: 30%;
    margin-left: 0;
  }
  .invalid {
    position: absolute;
    top: 270px;
    left: 100px;
  }
}

@media (min-width: 1200px) {
  form {
    width: 60%;
    margin: 0 auto;
  }

  .invalid {
    left: 300px;
  }

  .dashboard {
    width: 50%;
  }
}