.links a {
  color: #111;
  text-decoration: none;
}

.text-med {
  font-size: 105%
}

.text-inc {
  font-size: 125%
}

.slant-up {
  clip-path: polygon(0 5vw, 100% 0, 100% calc(100% - 5vw), 0 100%);
}

.slant-t-up {
  clip-path: polygon(0 5vw, 100% 0, 100% 100%, 0 100%);
}

.pt-7 {
  padding-top: 9rem !important;
}

.change-icon > .fa + .fa,
.change-icon:hover > .fa {
  display: none;
}
.change-icon:hover > .fa + .fa {
  display: inherit;
}

/* 404 page */
.error {
  margin: 10px auto;
  max-width: 600px;
  text-align: center;
  h1 {
    margin: 30px 0;
    font-size: 10em;
    line-height: 1;
    letter-spacing: -1px;
  }
}

.btn-effect a {
  padding: 0 20px;
  height: 45px;
  line-height: 45px;
  position: relative;
  display: inline-block;
  margin: 15px 25px;
  letter-spacing: 1px;
  font-weight: 400;
  text-shadow: 0 0 1px rgba(255,255,255,0.3);
}

.btn-effect a::before,
.btn-effect a::after {
  position: absolute;
  width: 45px;
  height: 1px;
  background: #777;
  content: '';
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  transition: all 0.3s;
  pointer-events: none;
}

.btn-effect a::before {
  top: 0;
  left: 0;
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  transform: rotate(90deg);
  -webkit-transform-origin: 0 0;
  -moz-transform-origin: 0 0;
  transform-origin: 0 0;
}

.btn-effect a::after {
  right: 0;
  bottom: 0;
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  transform: rotate(90deg);
  -webkit-transform-origin: 100% 0;
  -moz-transform-origin: 100% 0;
  transform-origin: 100% 0;
}

.btn-effect a:hover::before,
.btn-effect a:focus::before {
  left: 50%;
  -webkit-transform: rotate(0deg) translateX(-50%);
  -moz-transform: rotate(0deg) translateX(-50%);
  transform: rotate(0deg) translateX(-50%);
}

.btn-effect a:hover::after,
.btn-effect a:focus::after {
  right: 50%;
  -webkit-transform: rotate(0deg) translateX(50%);
  -moz-transform: rotate(0deg) translateX(50%);
  transform: rotate(0deg) translateX(50%);
}