html {
  -ms-overflow-style: scrollbar;
  -webkit-tap-highlight-color: transparent
}

body {
    background-color: #fff;
    color: #2a2a2a;
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}
@media screen and (min-width:768px) {
  body { font-size: 18px; }
}
@media screen and (min-width:992px) {
  body { font-size: 20px; }
}

header {
  background: rgba(255,255,255,0.9);
  backgrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  left: 0;
  margin: 0 auto;
  max-width: 1140px;
  position: fixed;
  right: 0;
  top: 0;
}

nav {
  align-items: center;
  box-sizing: border-box;
  -webkit-backface-visibility: hidden;
  -webkit-box-align: center;
  -webkit-box-direction: normal;
  -webkit-box-orient: horizontal;
  -webkit-box-pack: justify;
  color: rgb(42, 42, 42);
  display: flex;
  flex-basis: 100%;
  flex-direction: row;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: normal;
  justify-content: space-between;
  line-height: 23px;
  margin: 0 auto;
  padding: 10px 10px 10px 20px;
  perspective: 1000px;
  position: relative;
  transition-delay: 0s;
  transition-duration: 0.3s;
  transition-property: all;
  transition-timing-function: ease-in-out;
  z-index: 10;
}
@media screen and (min-width:768px) {
  nav { padding: 30px 10px 30px 20px; }
}

nav::after {
  background: hsla(0,0%,93%,.98);
  box-shadow: 0 1px 3px hsla(0,0%,50%,.1);
  bottom: 0;
  content: "";
  display: block;
  height: 1px;
  left: -4%;
  position: absolute;
  width: 108%;
}

.logo {
  fill: #2a2a2a;
  left: -2px;
  position: relative;
  top: -2px;
  width: 70px;
}

main {
  margin: 60px auto;
  max-width: 700px;
  padding: 10px;
}
@media screen and (min-width:768px) {
  main { margin: 120px auto; }
}


main a {
  background-color: rgba(0, 0, 0, 0);
  box-shadow: rgba(0, 146, 255, 0.247059) 0px -1px 0px 0px inset;
  box-sizing: border-box;
  color: rgb(0, 144, 255);
  cursor: auto;
  display: inline;
  height: auto;
  text-decoration: none;
  transition-delay: 0s;
  transition-duration: 0.2s;
  transition-property: all;
  transition-timing-function: ease-in-out;
  width: auto;
}

main a:hover {
  box-shadow: rgba(3, 144, 255, 1.0) 0px -1px 0px 0px inset;
}


.nav-link {
  background-color: rgb(255, 255, 255);
  border-radius: 4px;
  border: 1px solid transparent;
  color: rgb(0, 144, 255);
  cursor: pointer;
  display: inline-block;
  font-style: normal;
  font-weight: 600;
  padding: 4px 10px;
  text-decoration: none;
  transform: matrix(1, 0, 0, 1, 0, 0);
  transition-delay: 0s, 0s, 0s;
  transition-duration: 0.2s, 0.2s, 0.2s;
  transition-property: background-color, border-color, filter;
  transition-timing-function: ease, ease, ease;
}

.nav-link:hover {
  background-color: rgba(0, 144, 255, 0.05);
  border-color: rgba(0, 144, 255, 0.3);
  cursor: pointer;
  display: inline-block;
  font-style: normal;
  font-weight: 600;
  text-decoration: none;
  transform: matrix(1, 0, 0, 1, 0, 0);
  transition-delay: 0s, 0s, 0s;
  transition-duration: 0.2s, 0.2s, 0.2s;
  transition-property: background-color, border-color, filter;
  transition-timing-function: ease, ease, ease;
}

footer {
  font-size: 14px;
  margin: 40px auto;
  max-width: 700px;
  opacity: 0.5;
  text-align: center;

}