:root {
  --color-one: #1ff2e1;

  --color-two: #12db91;

  --color-three: #14f964;

  --color-four: #12b6db;

  --color-five: #1492f9;
}

/* Start normalize style */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: var(--color-one);
}

a {
  text-decoration: none;
  cursor: pointer;
}

p {
  font-size: 1rem;
  font-weight: 300;
  margin-bottom: 15px;
}

li {
  list-style: none;
}

span {
  color: #0000cd;
}

/* End normalize style */

/* Start main element style */
main {
  position: relative;
  color: #fff;
}

main .menu-btn {
  width: 50px;
  border: none;
  padding: 10px;
  background-color: var(--color-two);
  position: absolute;
  cursor: pointer;
  border-radius: 0 10px 10px 0;
  display: none;
  top: 120px;
}

main .menu-btn span {
  margin-bottom: 5px;
  display: block;
  height: 4px;
  width: 100%;
  background-color: #fff;
  position: relative;
}

main .menu-btn span:last-child {
  margin-bottom: 0;
}

.open-navbar {
  left: 0;
}
/* Start nav bar style */

main nav {
  position: fixed;
  left: 0;
  height: 95%;
  width: 300px;
  border-radius: 0 10px 10px 0;
  margin: 15px 0;
  padding: 15px;
  display: flex;
  background-color: var(--color-two);
  flex-direction: column;
  justify-content: center;
  transition: all ease-in 1s;
}

main nav header {
  box-shadow: 1px 15px 20px 0px #00000070;
  padding: 5px 10px;
  border-radius: 10px;
  margin-bottom: 30px;
}
main nav h1 {
  font-size: 22px;
}

main nav ul {
  padding: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

main nav ul li {
  margin: 15px 5px;
  transition: all ease-in 1s;
}

main nav ul li:hover {
  margin-left: 15px;
}

main nav ul li .nav-link {
  font-size: 18px;
  font-weight: 600;
  color: #633c3c;
  transition: color ease-in 1s;
}

main nav ul li:hover .nav-link {
  color: var(--color-five);
}

/* End nav bar style */

/* Start sections style */
main .sections {
  position: absolute;
  left: 25%;
  padding: 20px;
  display: grid;
  grid-template-rows: repeat(1, 1fr);
  grid-row-gap: 50px;
}

main .sections .main-section > header {
  color: var(--color-five);
  margin-bottom: 10px;
}

main .sections .main-section .sub-section {
  border-radius: 5px;
  padding: 20px;
  background-color: #fff;
}

/* End sections style */

/* Start articles style */
.sections .sub-section article {
  padding: 5px;
  margin-bottom: 10px;
  color: #633c3c;
  font-weight: 400;
}

.sections .sub-section article:last-of-type {
  margin-bottom: 0;
}

.sections .sub-section article h3 {
  color: var(--color-two);
  margin-bottom: 10px;
}

.sections .sub-section article li {
  padding: 5px 0;
  position: relative;
}

.sections .sub-section article .code-block {
  padding: 20px;
  border-radius: 5px;
  background-color: var(--color-three);
}

.sections .sub-section article .code-block > div {
  margin-bottom: 12px;
}

.sections .sub-section article li::before {
  content: " ";
  border-width: 5px;
  border-style: solid;
  position: absolute;
  border-color: transparent transparent transparent var(--color-one);
  top: 13px;
  left: -20px;
}

.sections .sub-section article code {
  padding: 5px;
  background-color: rgba(222, 222, 222, 0.3);
  font-size: 14px;
  border-radius: 5px;
  margin: 0 5px;
  color: #ed143d;
  font-weight: 600;
}

.sections article p.note {
  padding: 10px;
  background-color: rgb(174 255 0 / 43%);
  border-radius: 5px;
}

section#reference .sub-section article p {
  margin-bottom: 0;
}

section#reference .sub-section article a {
  text-decoration: underline;
  font-weight: 600;
}

.sub-section article table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
  display: table;
  border: 1px solid #ccc;
  margin-bottom: 15px;
}

.sub-section article table tr {
  border-bottom: 1px solid #ddd;
}

.sub-section article table tr th {
  text-align: left;
  padding: 8px;
}

.sub-section article table tr td {
  padding: 8px;
}

.sub-section article table tr:nth-child(odd) {
  background-color: #fff;
}

.sub-section article table tr:nth-child(even) {
  background-color: rgb(219, 218, 218);
}

/* End articles style */

/* End main element style */

/* Start Media query */

@media only screen and (min-width: 801px) and (max-width: 1199px) {
  main nav {
    width: 210px;
    margin: 12px 0;
    padding: 20px 15px;
  }
  main nav header {
    margin-bottom: 10px;
  }

  main nav header h1 {
    font-size: 14px;
  }

  main nav ul li .nav-link {
    font-size: 12px;
  }

  .sections .sub-section article img {
    width: 100%;
  }

  main nav ul li:last-child {
    margin-bottom: 0;
  }
}

@media only screen and (min-width: 401px) and (max-width: 800px) {
  main .menu-btn {
    display: block;
    z-index: 999;
    left: 99%;
  }

  main nav {
    z-index: 998;
    left: -300px;
    height: 90%;
    margin: 24px 0;
  }

  main nav header h1 {
    font-size: 14px;
  }

  main nav ul li:hover {
    margin-left: 15px;
  }

  main nav ul li .nav-link {
    font-size: 14px;
  }

  main nav ul li:hover .nav-link {
    color: var(--color-five);
  }

  main .sections {
    position: relative;
    left: 0;
    display: flex;
    flex-direction: column;
  }

  .sections .sub-section article img {
    width: 100%;
  }
}

@media only screen and (max-width: 400px) {
  main nav {
    left: -300px;
    height: 80%;
    z-index: 998;
    margin: 100px 0;
  }

  main .menu-btn {
    left: 300px;
    display: block;
  }

  main .sections {
    display: flex;
    flex-direction: column;
    left: 0;
  }

  .sections .sub-section article li,
  .sections .sub-section article .code-block {
    font-size: 14px;
  }
}

/* End Media query */