.header-spacing {
  height: 19.6vw;
}

header nav > ul {
  padding-top: 80px;
}

header nav ul li {
  margin: 0 0 20px;
}

header nav .btn--yellow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.25rem;
  padding: 0 20px;
  width: 160px;
  height: 48px;
  text-align: center;
  line-height: 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: rgb(20, 20, 20);
  box-sizing: border-box;
}

header nav .btn--yellow:before,
header nav .btn--yellow:after {
  content: '';
  position: absolute;
  left: 0px;
  height: 44px;
  width: 100%;
  border-radius: 0.25rem;
}

header nav .btn--yellow:before {
  bottom: 0;
  background-color: rgb(207, 183, 70);
}

header nav .btn--yellow:after {
  top: 0px;
  background-color: rgb(249, 220, 75);
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

header nav .btn--yellow .btn__label {
  position: relative;
  z-index: 10;
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

header nav .btn--yellow:hover .btn__label {
  transform: translateY(4px);
}

header nav .btn--yellow:hover:after {
  transform: translateY(4px);
}

@media screen and (min-width: 769px) {
  .header-spacing {
    height: 80px;
  }

  header nav ul {
    top: 16px;
    padding: 0;
    align-items: center;
  }

  header nav ul li {
    margin: 0 40px 0 0;
  }

  header .sc_btn--partner ul {
    list-style: none;
    width: 330px;
  }

  header .sc_btn--partner ul li {
    display: block;
    width: 160px;
  }

  header .sc_btn--partner ul li:first-child a {
    background-color: #9f2c18;
  }

  header .sc_btn--partner ul li:first-child a:before {
    background-color: #fd654b;
  }

  header .sc_btn--partner ul a:after {
    content: none;
  }
}