header{
  background:#BBBBBB;

}
.caixa{
  position: relative;
  width: 940px;
  margin: 0 auto;
}
nav{
  position: absolute;
  top: 110px;
  right:0;
}

nav li{
  display: inline;
  margin: 0 0 0 15px;
}
nav a{
  text-transform: uppercase;
  color:#000000;
  font-weight: bold;
  font-size:20px;
  text-decoration:none;
}

  main{
    width: 940px;
    margin:0 auto;
  }
.produtos{
  width: 940px;
  margin: 0 auto;
  padding: 50px 0;
  }
  .produtos li{
    display: inline-block;
    text-align: center;
    width: 30%;
    vertical-align: top;
    margin: 0  1.5%;
    padding: 30px 20px;
    box-sizing: border-box;
    border: 2px solid #000000;
    border-radius: 10px;
  }
  .produtos li:active{
    border-color: #088C19;
  }
  .produtos li:hover h2{
    font-size: 34px;
  }
  .produtos h2{
    font-size: 30px;
  }

form{
margin: 40px 0;
}
#formulario{
  font-family: courier new,courier,monospace
  }
.input-padrao{
  display:block;
  margin: 0 0 50px;
  padding:10px 25px;
  width:50%;
}

.checkbox{
  margin: 80px 0;
}
.enviar{
  width: 1000px;
  padding:20px 0;
  background:#836FFF;
  color:white;
  font-weight: bold;
  font-size:18px;
  border: none;
  border-radius:5px;
  transition:1s all;
  cursor:pointer;
}

.enviar:hover{
  background:darkorange;
  transform: scale(1.2);
}
table{
  margin: 20px 0 40px;
}
thead{
  background:#555555;
  color: white;
  font-weight: bold;
}
td,th{
  border: 1px solid #000000;
  padding: 8px 15px;
}
footer{
  text-align: center;
  background: #000000;
  padding: 40px 0;
}
.copyright{
  margin: 20px 0 0;
  color:#FFFFFF;
  font-size:13px;
}