global.css

:root {
  --bg-color: #f7f9fb;
  --font-color: #2d2d2d;
}

[data-theme='dark'] {
  --bg-color: #161625;
  --font-color: #dedede;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  font-family: 'Montserrat', sans-serif;
  color: var(--font-color);
}

nav {
  width: 100%;
  font-size: larger;
  text-transform: uppercase;
  font-weight: bold;
  padding: 2rem;
  display: flex;
}

.switch {
  position: relative;
  display: inline-block;
  width: 3.5rem;
  height: 2rem;
  margin-left: auto;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border: 0.5px solid white;
}

.slider:before {
  position: absolute;
  content: '';
  width: 2rem;
  height: 1.9rem;
  left: 0;
  bottom: 0;
  background-color: white;
  transition: 0.4s;
}

input:checked + .slider {
  background-color: #161625;
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 1rem;
}

.slider.round:before {
  border-radius: 50%;
}

.switch-text {
  padding-top: 0.4rem;
  font-size: medium;
  text-transform: capitalize;
  margin-left: 1.3rem;
}

section {
  display: flex;
}

ul {
  margin-left: 2rem;
}

li {
  list-style-type: none;
}

li:hover {
  text-decoration: underline;
  cursor: pointer;
}

a {
  text-decoration: none;
  color: var(--font-color);
}

a:visited {
  color: var(--font-color);
}

a:hover {
  text-decoration: underline;
}

li .active {
  text-decoration: underline;
  color: var(--font-color);
}

aside {
  display: flex;
}

.fab,
.fas {
  color: var(--font-color);
}

.fas:hover {
  color: silver;
}
.fab:hover {
  color: silver;
}

aside li {
  margin-top: 2rem;
}

.image-grid {
  margin-left: 4rem;
  width: 80%;
  display: grid;
  grid-template-columns: 2fr 2fr;
  gap: 1rem 1rem;
  grid-template-areas:
    'myImg1 myImg2'
    'caption01 caption02'
    'myIm3 myImg4'
    'caption03 caption04';
}

.caption01 {
  grid-area: caption01;
}

.caption02 {
  grid-area: caption02;
}

.myImg1 {
  grid-area: myImg1;
}

.myImg2 {
  grid-area: myImg2;
}

.myImg3 {
  grid-area: myImg3;
}

.myImg4 {
  grid-area: myImg4;
}

.caption03 {
  grid-area: caption03;
}

.caption04 {
  grid-area: caption04;
}

img {
  width: 100%;
  height: auto;
  cursor: pointer;
}

#myImg2 {
  background-color: #e9ecef;
}

img:hover {
  filter: brightness(80%);
  transition: 0.3s;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1;
  padding-top: 8rem;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
}

#caption {
  margin: auto;
  display: block;
  width: 80%;
  text-align: center;
  color: white;
  padding: 10px 0;
  height: 150px;
}

.modal-content,
#caption {
  animation-name: zoom;
  animation-duration: 0.6s;
}

@keyframes zoom {
  from {
    transform: scale(0);
  }
  to {
    transform: scale(1);
  }
}

.close {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
}

.close:hover,
.close:focus {
  color: #bbb;
  text-decoration: none;
  cursor: pointer;
}

article {
  margin-left: 4rem;
  width: 80%;
  padding: 2rem;
  line-height: 1.8rem;
}

article > h1 {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}
@media only screen and (max-width: 800px) {
  .switch-text {
    padding-top: 0;
  }

  @media only screen and (max-width: 600px) {
    nav {
      font-size: medium;
    }

    .switch {
      display: none;
    }

    .switch-text {
      display: none;
    }

    section {
      display: block;
    }

    aside {
      margin-bottom: 2rem;
      margin-top: -2rem;
    }

    aside > ul {
      display: flex;
      font-size: x-small;
      margin-top: -2.5rem;
    }

    li {
      margin-right: 0.5rem;
    }

    .image-grid {
      margin: 0 auto;
      height: 70vh;
      grid-template-columns: 1fr;
      grid-template-rows: 4fr 1fr 4fr 1fr;
      grid-template-areas:
        'img01'
        'caption01'
        'img02'
        'caption02'
        'img03'
        'caption03'
        'img04'
        'caption04';
    }

    .modal-content {
      width: 80%;
      padding-top: 40%;
    }
    .close {
      top: 25%;
    }

    article {
      margin-left: 0;
      width: 95%;
    }
  }
} ;