@import url("https://fonts.googleapis.com/css?family=Sacramento&display=swap");

body {
  height: 100vh;
}

h1 {
  font-family: "Dancing Script", cursive;
  font-size: 60px;
  color: #fff;
  margin: 0 0 0px;
}

.titulo {
  margin: 50px 5rem 30px;
  text-align: left;
  position: absolute;
}


.aulas {
  height: 80vh;
  margin-top: 18vh;
  display: grid;
  flex-direction: row;
  align-items: center;
}

.aula_x {
  height: 50px;
  border-radius: 15px;
  margin: 20px 70px;
  font-size: 2.5em;
  color: #AAA;
  /* as proriedades a partir daqui alinham o texto no centro */
  display: flex;
  text-align: center;
  justify-content: center;
  align-items: center;
  font-family: "Arial", cursive;
  text-decoration: none;

}

.aula_x a {
  text-decoration: none;
  color: #AAA;
}

.aula_x:hover {
  opacity: 90%;
}

.column {
  flex-direction: column;
}

button {
  position: relative;
  width: 100%;
  background: #272822;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  border: none;
  letter-spacing: 0.1rem;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  padding: 1rem 3rem;
  transition: 0.2s;
  cursor: pointer;
}

button:hover {
  letter-spacing: 0.2rem;
  padding: 1.1rem 3.1rem;
  background: var(--clr);
  color: var(--clr);
  /* box-shadow: 0 0 35px var(--clr); */
  animation: box 3s infinite;
}

button::before {
  content: "";
  position: absolute;
  inset: 2px;
  background: #12192c;
}

button span {
  position: relative;
  z-index: 1;
}

button i {
  position: absolute;
  inset: 0;
  display: block;
}

button i::before {
  content: "";
  position: absolute;
  width: 10px;
  height: 2px;
  left: 80%;
  top: -2px;
  border: 2px solid var(--clr);
  background: #272822;
  transition: 0.2s;
}

button:hover i::before {
  width: 15px;
  left: 20%;
  animation: move 3s infinite;
}

button i::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 2px;
  left: 20%;
  bottom: -2px;
  border: 2px solid var(--clr);
  background: #272822;
  transition: 0.2s;
}

button:hover i::after {
  width: 15px;
  left: 80%;
  animation: move 3s infinite;
}

@keyframes move {
  0% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(5px);
  }

  100% {
    transform: translateX(0);
  }
}

@keyframes box {
  0% {
    box-shadow: #27272c;
  }

  50% {
    box-shadow: 0 0 25px var(--clr);
  }

  100% {
    box-shadow: #27272c;
  }
}