* {
  box-sizing: border-box;
}

/*
=============== 
Variables
===============
*/

:root {
  /* dark shades of primary color*/
  --clr-primary-1: hsl(205, 86%, 17%);
  --clr-primary-2: hsl(205, 77%, 27%);
  --clr-primary-3: hsl(205, 72%, 37%);
  --clr-primary-4: hsl(205, 63%, 48%);
  /* primary/main color */
  --clr-primary-5: #49a6e9;
  /* --clr-primary-5: rgb(73, 166, 233); */
  /* lighter shades of primary color */
  --clr-primary-6: hsl(205, 89%, 70%);
  --clr-primary-7: hsl(205, 90%, 76%);
  --clr-primary-8: hsl(205, 86%, 81%);
  --clr-primary-9: hsl(205, 90%, 88%);
  --clr-primary-10: hsl(205, 100%, 96%);
  /* darkest grey - used for headings */
  --clr-grey-1: hsl(209, 61%, 16%);
  --clr-grey-2: hsl(211, 39%, 23%);
  --clr-grey-3: hsl(209, 34%, 30%);
  --clr-grey-4: hsl(209, 28%, 39%);
  /* grey used for paragraphs */
  --clr-grey-5: hsl(210, 22%, 49%);
  --clr-grey-6: hsl(209, 23%, 60%);
  --clr-grey-7: hsl(211, 27%, 70%);
  --clr-grey-8: hsl(210, 31%, 80%);
  --clr-grey-9: hsl(212, 33%, 89%);
  --clr-grey-10: hsl(210, 36%, 96%);
  --clr-white: #fff;
  --clr-red-dark: hsl(360, 67%, 44%);
  --clr-red-light: hsl(360, 71%, 66%);
  --clr-green-dark: hsl(125, 67%, 44%);
  --clr-green-light: hsl(125, 71%, 66%);
  --clr-black: #222;
  --ff-primary: "Roboto", sans-serif;
  --ff-secondary: "Open Sans", sans-serif;
  --transition: all 0.3s linear;
  --spacing: 0.25rem;
  --radius: 0.5rem;
  --light-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --dark-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  --max-width: 1170px;
  --fixed-width: 620px;
}

h1 {
  display: inline-block;
  cursor: pointer;
  margin: 5px;
}

h2 {
  margin: 5px;
}

.myHeading {
  color: red;
}
.hide-item {
  display: none;
}
.btns-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.btns-container div {
  margin: 5px;
}

.btn,
span {
  text-transform: uppercase;
  background: var(--clr-primary-9);
  color: var(--clr-black);
  padding: 0.375rem 0.75rem;
  display: inline-block;
  transition: var(--transition);
  border: 1px solid var(--clr-black);
  cursor: pointer;
  outline: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  border-radius: 20px;
}

span {
  margin-left: 20px;
  cursor: default;
}

input {
  height: 30px;
}

footer p {
  display: inline-block;
}