* {
  outline: 1px solid black;
}
/*r*/
:root {
  --clr-dark1: #010130;
  --clr-dark2: #000000;
  --clr-bright: #fff;
  --clr-highlight-red: #D5462E;
  --clr-highlight-green: #64906C;
  --clr-highlight-orange: #E99236;
  --clr-highlight-beige: #F6F5DC;
}
/*no*/
*,
*::before,
*::after {
  box-sizing: border-box;
}

.red {
  background: red;
}

.text-center {
  text-align: center;
}

.content-center {
  align-content: center;
}

.self-center {
  align-self: center;
  margin-left: auto;
  margin-right: auto;
}

html,
body {
  height: 99%;
  background: #fff;
  background: linear-gradient(var(--clr-dark2) 0%, var(--clr-dark1) 100%);
  margin: 0 0 0 0;
  padding: 0 0 0 0;
  color: var(--clr-bright);
  font-family: 'Nunito Sans';
  font-size: 1em;
}