.imagem{
  font-family: "Arial";
  background-image: url("../img/foto1.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  animation-name: mudaFoto;
  animation-duration: 15s;
  animation-iteration-count: infinite;
  animation-direction: alternate-reverse;
}

@keyframes mudaFoto {
  0%{
      background-image: url("../img/foto1.jpg");
  }
 
  50%{
      background-image: url("../img/foto2.jpg");
  }

 
  100%{
      background-image: url("../img/foto3.jpg");
  }
     
}



.flex{
  text-align: center;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  align-items: center;
  position: relative;
  z-index: 2;
}

.form-group ul{
  display: flex;
  list-style: none;
  gap: 20px;
}
.form-group .curso{
  color: #fff;
  text-decoration: none;
  font-size: 20px;
}
.form-group .curso:hover{
  color: rgb(0, 255, 0);
}

button{
  background-color: red;
  border: none;
  color: white;
  border-radius: 0px 30px 30px 0px;
  padding: 10px;
  cursor: pointer;

}

.form:focus {
  border: 1px solid red;
}

.form:focus ~ button {
 background-color: black;
}
.login a{
  background-color: red;
  padding: 11px 10px;
  color: white;
  text-decoration: none;
  transition: .5s;
  border-radius: 5px;
}
.login a:hover{
  background-color: rgb(193,17,25);
  transition-timing-function: cubic-bezier(0.5, 0, 0.1, 1);
}

.logo p{
  color: white;
  font-size: 35px;
}
.logo span{
  color: chartreuse;
}

.overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.570);
  z-index: 1;
}

.conteudo{
  position: relative;
  z-index: 2;
}
.conteudo h1{
  color: white;
  text-align: center;
  font-size: 40px;
  width: 100%;
  max-width:1200px;
  margin: auto;
  margin-top: 13rem;
  font-weight: 600;
  margin-bottom: 2rem;
}
.conteudo p{
  color: rgb(162, 162, 162);
  text-align: center;
  font-size: 20px;
  margin-top: -20px !important;
  font-weight: 400;
  width: 100%;
  max-width: 920px;
  margin: auto;
}
#curso {
  padding-left: 1.5rem;
  font-size: 20px;
  padding-right: 1.5rem;
  display: flex;
  flex-direction: column;

}
#curso {
   margin-top: 1%;
   text-decoration: none;
}
.corpo {
  background-color: #EFEFEF;
  width: 90%;
  height: 2360opx;
  margin-top: 3%;
  margin-left: 5%;
  text-align: center;
  box-shadow: 5px 5px 3px #b4b4b4;
}
.obj {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  margin-top: 1%;
  font-size: 20px;
}
pre{
  display: block;
  font-family: monospace;
  white-space-collapse: preserve;
  text-wrap: nowrap;
  margin: 1em 0px;
  text-align: left ;
  
}