body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  --white: #f4f4f4;
  --gradient-1: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 35%, rgba(255,0,251,1) 100%);
  --contrast: rgba(255,0,251,1);
  --primary:rgba(9,9,121,1);
  background: var(--white);
  min-height: 110vh;
}

header {
  background: var(--gradient-1);
  color: var(--white);
  padding: 1em;
  text-align: center;
}

section {
  max-width: 800px;
  margin: 2em auto;
  padding: 1em;
  background: var(--white);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius:5px;
  &:nth-child(odd) {
    background: var(--gradient-1);
    color: var(--white);
  }
}

h1 {
  color: var(--white);
}

p {
  line-height: 1.6;
  color: var(--primary);
  &.white{
    color: var(--white);
  }
}

div{
  line-height: 1.6;
}

footer {
  text-align: center;
  padding: 1em;
  background: var(--contrast);
  color: var(--white);
  position: fixed;
  bottom: 0;
  width: 100%;
}

textarea {
  width: 300px;
  height: 100px;
  margin:0 0 20px 0;
}

#submit{
  color: var(--contrast);
  background: var(--white);
  margin:5px;
  padding:5px;
  border:0;
  border-radius:5px;
  cursor:pointer;
  &:hover, &:focus, &:active{
    background: var(--primary);
    color: var(--white);
  }
}