.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  overflow: hidden;
  background-color: #0000006b;
  border-bottom: 3px solid white;
  margin: 0;
  padding: 10px;
  width: 100%;
  backdrop-filter: blur(3px);
}

.headerEnd {
  margin-bottom: 100px;
}

.headerButton {
  color: white;
  padding: 16px;
  width: 170px;
  height: 40px;
  background: linear-gradient(to left, #00000000 50%, white 50%);
  background-size: 200% 100%;
  background-position: right bottom;
  cursor: pointer;
  transition: 0.3s;
  border-radius: 30px;
  border: 3px solid rgb(255, 255, 255);
  padding-top: 10px;

  &:hover {
    background-position: left bottom;
    color: rgb(0, 0, 0);
    padding-right: 32px;
    padding-left: 8px;
  }
}

.headerAuthor {
  display: inline-block;
  overflow: hidden;
  position: relative;
  color: white;
}

.headerAuthor::before,
.headerAuthor::after {
  content: '';
  position: absolute;
  width: 100%;
  left: 0;
}

.headerAuthor::before {
  background-color: white;
  height: 2px;
  bottom: 0;
  transform-origin: 100% 50%;
  transform: scaleX(0);
  transition: transform .3s cubic-bezier(0.76, 0, 0.24, 1);
}

.headerAuthor::after {
  content: attr(data-replace);
  height: 100%;
  top: 0;
  transform-origin: 100% 50%;
  transform: translate3d(200%, 0, 0);
  transition: transform .3s cubic-bezier(0.76, 0, 0.24, 1);
  color: white;
}

.headerAuthor:hover::before {
  transform-origin: 0% 50%;
  transform: scaleX(1);
}

.headerAuthor:hover::after {
  transform: translate3d(0, 0, 0);
}

.headerAuthor span {
  display: inline-block;
  transition: transform .3s cubic-bezier(0.76, 0, 0.24, 1);
}

.headerAuthor:hover span {
  transform: translate3d(-200%, 0, 0);
}

.headerAuthor {
  text-decoration: none;
  color: white;
  font-weight: 700;
  vertical-align: top;
}

.headerBy {
  padding: 15px;
  background-color: #00000000;
  border-radius: 5px;
  color: white;
  display: inline-block;
  overflow: hidden;
  position: absolute;
  right: 95px;
  top: -10px;
  transition: .3s;
  font-size: 20px;
}

.headerBy:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.headerBy a {
  text-decoration: none;
  color: white;
}