* {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 0;
  outline: 0;
  -webkit-tap-highlight-color: transparent;
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
}
*:focus {
  outline: 0;
}

.about {
  position: fixed;
  z-index: 10;
  bottom: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  transition: all 0.2s ease;
}
.about .bg_links {
  width: 40px;
  height: 40px;
  border-radius: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 100%;
  backdrop-filter: blur(5px);
  position: absolute;
}
.about .logo {
  width: 40px;
  height: 40px;
  z-index: 9;
  background-image: url(https://rafaelavlucas.github.io/assets/codepen/logo_white.svg);
  background-size: 50%;
  background-repeat: no-repeat;
  background-position: 10px 7px;
  opacity: 0.9;
  transition: all 1s 0.2s ease;
  bottom: 0;
  right: 0;
}
.about .social {
  opacity: 0;
  right: 0;
  bottom: 0;
}
.about .social .icon {
  width: 100%;
  height: 100%;
  background-size: 20px;
  background-repeat: no-repeat;
  background-position: center;
  background-color: transparent;
  display: flex;
  transition: all 0.2s ease, background-color 0.4s ease;
  opacity: 0;
  border-radius: 100%;
}
.about .social.portfolio {
  transition: all 0.8s ease;
}
.about .social.portfolio .icon {
  background-image: url(https://rafaelavlucas.github.io/assets/codepen/link.svg);
}
.about .social.dribbble {
  transition: all 0.3s ease;
}
.about .social.dribbble .icon {
  background-image: url(https://rafaelavlucas.github.io/assets/codepen/dribbble.svg);
}
.about .social.linkedin {
  transition: all 0.8s ease;
}
.about .social.linkedin .icon {
  background-image: url(https://rafaelavlucas.github.io/assets/codepen/linkedin.svg);
}
.about:hover {
  width: 105px;
  height: 105px;
  transition: all 0.6s cubic-bezier(0.64, 0.01, 0.07, 1.65);
}
.about:hover .logo {
  opacity: 1;
  transition: all 0.6s ease;
}
.about:hover .social {
  opacity: 1;
}
.about:hover .social .icon {
  opacity: 0.9;
}
.about:hover .social:hover {
  background-size: 28px;
}
.about:hover .social:hover .icon {
  background-size: 65%;
  opacity: 1;
}
.about:hover .social.portfolio {
  right: 0;
  bottom: calc(100% - 40px);
  transition: all 0.3s 0s cubic-bezier(0.64, 0.01, 0.07, 1.65);
}
.about:hover .social.portfolio .icon:hover {
  background-color: #698fb7;
}
.about:hover .social.dribbble {
  bottom: 45%;
  right: 45%;
  transition: all 0.3s 0.15s cubic-bezier(0.64, 0.01, 0.07, 1.65);
}
.about:hover .social.dribbble .icon:hover {
  background-color: #ea4c89;
}
.about:hover .social.linkedin {
  bottom: 0;
  right: calc(100% - 40px);
  transition: all 0.3s 0.25s cubic-bezier(0.64, 0.01, 0.07, 1.65);
}
.about:hover .social.linkedin .icon:hover {
  background-color: #0077b5;
}

body {
  background-color: #1f2029;
}

.wrapper {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
.wrapper .loading {
  display: flex;
  position: absolute;
  width: auto;
  height: 20px;
  transition: all 0.4s ease;
}
.wrapper .loading .loader {
  display: block;
  align-items: flex-end;
  background-color: #ff6f24;
  width: 5px;
  height: 5px;
  position: absolute;
  animation: loader 1.2s ease infinite both;
  border-radius: 4px;
  bottom: 0;
}
.wrapper .loading .loader:nth-child(1) {
  transform: translateX(-20px);
}
.wrapper .loading .loader:nth-child(2) {
  animation-delay: 0.4s;
}
.wrapper .loading .loader:nth-child(3) {
  animation-delay: 0.8s;
  transform: translateX(20px);
}
@keyframes loader {
  0% {
    height: 5px;
    bottom: 0;
    opacity: 1;
  }
  25% {
    opacity: 0.3;
    bottom: 0;
    height: 15px;
  }
  50% {
    opacity: 1;
    height: 5px;
    bottom: calc(100% - 5px);
  }
  75% {
    opacity: 0.3;
    height: 15px;
    bottom: 0;
  }
  100% {
    opacity: 1;
    height: 5px;
    bottom: 0;
  }
}