/* roboto-100 - latin-ext_latin_cyrillic-ext_cyrillic */
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 100;
  src: local("Roboto Thin"), local("Roboto-Thin"),
    url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-100.woff2") format("woff2"),
    /* Chrome 26+, Opera 23+, Firefox 39+ */
      url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-100.woff") format("woff");
  /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}

/* roboto-300 - latin-ext_latin_cyrillic-ext_cyrillic */
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 300;
  src: local("Roboto Light"), local("Roboto-Light"),
    url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-300.woff2") format("woff2"),
    /* Chrome 26+, Opera 23+, Firefox 39+ */
      url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-300.woff") format("woff");
  /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}

/* roboto-regular - latin-ext_latin_cyrillic-ext_cyrillic */
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 400;
  src: local("Roboto"), local("Roboto-Regular"),
    url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-regular.woff2") format("woff2"),
    /* Chrome 26+, Opera 23+, Firefox 39+ */
      url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-regular.woff") format("woff");
  /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}

/* roboto-500 - latin-ext_latin_cyrillic-ext_cyrillic */
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 500;
  src: local("Roboto Medium"), local("Roboto-Medium"),
    url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-500.woff2") format("woff2"),
    /* Chrome 26+, Opera 23+, Firefox 39+ */
      url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-500.woff") format("woff");
  /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}

/* roboto-700 - latin-ext_latin_cyrillic-ext_cyrillic */
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 700;
  src: local("Roboto Bold"), local("Roboto-Bold"),
    url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-700.woff2") format("woff2"),
    /* Chrome 26+, Opera 23+, Firefox 39+ */
      url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-700.woff") format("woff");
  /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}

/* roboto-900 - latin-ext_latin_cyrillic-ext_cyrillic */
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 900;
  src: local("Roboto Black"), local("Roboto-Black"),
    url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-900.woff2") format("woff2"),
    /* Chrome 26+, Opera 23+, Firefox 39+ */
      url("../fonts/roboto-v20-latin-ext_latin_cyrillic-ext_cyrillic-900.woff") format("woff");
  /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}

@keyframes menu-selected {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-0.2em);
  }
}

@keyframes menu-chosen {
  from {
    background-color: #fff;
    color: #000;
    border-color: #000;
  }
  to {
    background-color: #555;
    color: #fff;
    border-color: #fff;
  }
}

body {
  color: white;
  background-color: black;
  font-family: Roboto, sans-serif;
  padding: 0;
  margin: 0;
}

h1 {
  text-transform: uppercase;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  background-color: white;
  display: inline-block;
  color: black;
  padding: 0.5em 1em;
}

.tetra-link {
  text-transform: uppercase;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  background-color: black;
  display: inline-block;
  color: white;
  padding: 0.5em 1em;
  text-decoration: none;
  margin: 1em 0 1em -1px;
  border-width: 1px;
  border-style: solid;
  border-radius: 0 5px 5px 0;
}

.tetra-link:hover {
  background-color: white;
  color: black;
  animation-name: menu-selected;
  animation-duration: 0.5s;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

/* .tetra-link:active {
  animation-name: menu-chosen;
  animation-duration: 0.07s;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
  animation-direction: alternate;
} */

ul :not(li > ul) {
  padding-left: 1em;
}