index.css

body {
  background-color: #141414;
  color: #c8c8c8;
  font-family: cursive;
  text-align: center;
  font-size: 1vw;
}
a,
a:visited {
  color: #3d5eef;
  text-decoration: none;
}
pre {
  white-space: pre-wrap;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-thumb {
  background-color: #393939;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: #272727;
}

#welcome-text {
  color: rgb(35, 155, 94);
  font-family: Courier;
  margin-bottom: 1vw;
  font-weight: normal;
  font-size: 7vw;
}
#intro-text {
  font-family: Courier;
  font-weight: normal;
  margin-right: 15vw;
  margin-left: 15vw;
  font-size: 1vw;
}

#skills-holder {
  margin-bottom: 3.5vw;
  margin-top: 3.5vw;
  margin-left: 5vw;
  width: 90vw;
}
#skills-holder[visible="false"] {
  animation: fadeOut 0.5s;
  display: none;
  opacity: 0;
}
.skill {
  background-color: #ffffff05;
  --expanded-height: 0px;
  border-radius: 0.7vw;
  margin-bottom: 35px;
  text-align: left;
  overflow: hidden;
  height: 4vw;
  width: 100%;

  transition: height 0.5s;
}
.skill[expanded="true"] {
  transition: height 0.5s;
  height: var(--expanded-height);
}
.filter {
  height: 4vw;
  cursor: pointer;
  border-radius: 0.7vw;
  background-color: #ffffff07;
  transition: filter 0.25s;
}
.filter:hover {
  filter: invert(50%) sepia(16%) saturate(1583%) hue-rotate(95deg);
  transition: filter 0.25s;
}
.filter h2 {
  display: inline-block;
  position: absolute;
  margin-left: 3.3vw;
  text-align: left;
  font-size: 2vw;
  user-select: none;
  margin-top: 0.5vw;
}
.dropdown-arrow {
  width: 2vw;
  height: 2vw;
  margin-top: 1vw;
  margin-left: 1vw;
  user-select: none;
  transform: rotate(0deg);
  transition: transform 0.5s;
}
.dropdown-arrow[opened="true"] {
  transform: rotate(90deg);
  transition: transform 0.5s;
}

.projects-holder {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
  padding-top: 20px;
  padding-bottom: 20px;
  margin: 0 auto;
  width: 94%;
}
.project {
  width: 25vw;
  margin: 20px;
  cursor: pointer;
  position: relative;
  padding-bottom: 0.5vw;
  box-sizing: border-box;
  box-shadow: 0px 0px 20px #000;
  background-color: #151515;
  border-radius: 10px;
}
.project-images-holder {
  position: relative;
}
.project-images-holder div {
  display: flex;
}
.project-images-holder div img {
  width: 0px;
  margin: 0px;
  opacity: 0;
  border-top-right-radius: 10px;
  border-top-left-radius: 10px;
  transition: opacity 0.5s;
}
.project-images-holder div img[visible="true"] {
  width: 100%;
  opacity: 1;
  transition: opacity 0.5s;
}
.project h1 {
  margin: 1vw;
}
.project h3 {
  font-weight: lighter;
  margin: 1vw;
}
.next-btn, .prev-btn {
  position: absolute;
  user-select: none;
  cursor: pointer;
  opacity: 0.7;
  height: 2.2vw;
  width: 2.2vw;
  top: 45%;
  z-index: 1;
  right: 10px;
  transition: filter 0.5s;
}
.prev-btn {
  transform: rotate(180deg);
  left: 10px;
}
.next-btn:hover, .prev-btn:hover {
  filter: invert(100%);
  transition: filter 0.5s;
}
#selected-project-holder {
  background-color: #141414;
  pointer-events: none;
  position: absolute;
  height: 100%;
  width: 100%;
  z-index: 2;
  opacity: 0;
  left: 0px;
  top: 0px;

  transition: opacity 0.5s;
}
#selected-project-holder[visible="true"] {
  pointer-events: all;
  padding-top: 1vw;
  opacity: 1;
  
  transition: opacity 0.5s;
}
#selected-project-holder div {
  border-radius: 20px;
  width: fit-content;
  margin: 0 auto;
  padding: 2vw;
}
#selected-project-holder div div {
  display: flex;
  justify-content: center;
  background-color: #171717;
  height: 30vw;
  width: auto;
}
#selected-project-holder div div img {
  border-radius: 20px;
  height: 100%;
}
#selected-project-holder div div img[visible="true"] {
  width: auto;
}
#selected-project-holder h1 {
  margin: 0px;
  font-size: 4vw;
}
#selected-project-holder h2 {
  margin: 0px;
  margin-top: 1vw;
  text-align: left;
  line-height: 0px;
  font-size: 1.3vw;
}
#selected-project-holder h3 {
  text-align: left;
  font-size: 1.2vw;
  line-height: 30px;
  margin: 2.5vw 10vw;
  font-weight: lighter;
}
#selected-project-exit-btn {
  transition: filter 0.2s;
  filter: invert(80%);
  position: absolute;
  cursor: pointer;
  height: 3vw;
  width: 3vw;
  right: 5vw;
  top: 3vw;
}
#selected-project-exit-btn:hover {
  transition: filter 0.2s;
  filter: invert(100%);
}

@media screen and (max-width: 950px) {
  #welcome-text {
    font-size: 40px;
  }
  #intro-text {
    font-size: 10px;
    margin-left: 30px;
    margin-right: 30px;
  }

  #skills-holder {
    margin-top: 23px;
    margin-left: 10px;
    margin-bottom: 3.5vw;
    width: calc(100% - 20px);
  }
  .skill,
  .filter {
    height: 33px;
    border-radius: 8px;
  }
  .filter h2 {
    font-size: 14px;
    margin-left: 27px;
    margin-top: 7px;
  }
  .dropdown-arrow {
    width: 20px;
    height: 20px;
    margin-top: 7px;
    margin-left: 4px;
  }

  .projects-holder {
    padding: 0px;
  }
  .project {
    margin-right: 10px;
    margin-left: 10px;
    min-width: 200px;
  }
  .project h1 {
    font-size: 20px;
    margin: 10px;
  }
  .project h3 {
    font-size: 11px;
    margin: 10px;
  }
}

@keyframes fadeOut {
  from {
    display: block;
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}