@import url(http://fonts.googleapis.com/css?family=Lato:300,400,700);
:root{
   --branco: #ffffff;
   --cinza: #f1f2f3;
   --box-shadow:0 .5rem 1rem rgba(0,0,0,.3);
}

html * {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
*, *:after, *:before {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
a, a:hover{
  text-decoration: none;
}
h1, h2, h3, h4, h5, p{
  margin: 0px;
}
strong{
  font-weight: 900;
}
html{
  font-size: 90%;
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: -6rem;
}
html, body {
  height: 100%;
}

body {
  font-family: 'Lato', Arial, sans-serif;
  font-weight: 300;
  font-size: 100%;
  background-color: var(--cinza);
}

.topo {
  position: relative;
  padding: 3em 1em;
  color: #fff;
  text-align: center;
  background-color: #ffffff;
  border-bottom: 5px solid #f99010;
}
.topo h1 {
  font-size: 1.5em;
  line-height: 1.3em;
  margin: 0;
  font-weight: 300;
  color: #58585a;
}

.conteudo a {
  position: relative;
  margin-top: 15px;
  margin-bottom: 15px;
  text-align: center;
}
.conteudo a:after{
  content: ' + ';
  width: 200px;
  height: 200px;
  position: absolute;
  background-color: rgba(0,0,0,0.4);
  z-index: 9;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  color: #ffffff;
  text-align: center;
  font-size: 150px;
  line-height: 180px;
  opacity: 0;
  transition: all ease-out 0.3s;
}
.conteudo a:hover:after{
  opacity: 1;
  transition: all ease-out 0.3s;
}
.conteudo a p{
  font-size: 1.5em;
  margin: 0;
  font-weight: 300;
  color: #58585a;
  display: block;
  text-align: center;
  padding: 15px;
}