* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}

nav {
  position: relative;
  display: flex;
  flex-direction: column;
}
nav a {
  text-align: center;
  text-decoration: none;
}
nav a span {
  color: #333;
  text-decoration: none;
  font-size: 3em;
  padding: 5px 20px;
  display: inline-flex;
  font-weight: 700;
  transition: 0.5s;
}
nav:hover a span {
  color: rgb(21, 0, 252);
}
nav a:hover span {
  color: #f20a0a;
  background: rgba(255, 255, 255, 1);
}
nav a span:before {
  content: "";
  position: absolute;
  top: 50%;
  left: 40%;
  transform: translate(-50%, -50%);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 4em;
  color: rgba(0, 0, 0, 0.1);
  /* border-radius: 50%; */
  z-index: -1;
  opacity: 0;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 500px;
  transition: letter-spacing 0.5s, left 0.5s;
}
nav a span:hover:before {
  content: attr(data-texto);
  opacity: 1;
  left: 50%;
  letter-spacing: 10px;
  width: 1800px;
  height: 1800px;
}

/* Sobre a pseudo-classe :nth-child -> https://developer.mozilla.org/pt-BR/docs/Web/CSS/:nth-child */

nav a:nth-child(6n + 1) span:before {
  /* background: #81ecec; */
  background: #ea738dff;
}
nav a:nth-child(6n + 2) span:before {
  /* background: #ff7675; */
  background: #fbeaeb;
}
nav a:nth-child(6n + 3) span:before {
  /* background: #55efc4; */
  background: #fee715ff;
}
nav a:nth-child(6n + 4) span:before {
  /* background: #a29bfe; */
  background: #e2d1f9;
}
nav a:nth-child span:before {
  /* background: #fd79a8; */
  background: #ccf381;
}
nav a:nth-child(6n + 6) span:before {
  /* background: #ffeaa7; */
  background: #8aaae5;
}

footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: rgb(255, 255, 255);
  color: white;
  text-align: right;
}

.circle {
  background-color: #aaa;
  border-radius: 50%;
  width: 150px;
  height: 150px;
  overflow: hidden;
  position: relative;
}

.circle img {
  position: absolute;
  bottom: 0;
  width: 100%;
}

/* Skills */

.body1{
  min-height: 70vh;
}

.skills{
  height: 50vh;
  width: 100%;
  margin: 3%;
  margin-left: 10%;
  margin-right: 10%;
}

/* Footer para páginas relativas */

.button {
  display: inline-block;
  border-radius: 4px;
  background-color: #504e4d;
  border: none;
  color: #FFFFFF;
  text-align: center;
  font-size: 20px;
  padding: 5px;
  width: 100px;
  transition: all 1.8s;
  cursor: pointer;
  margin: 3px;
}

.button span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.button span:after {
  content: '\00bb';
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}

.button:hover span {
  padding-right: 25px;
}

.button:hover span:after {
  opacity: 1;
  color: #eaff00;
  right: 0;
}