header{
  background:gray;
}
body{
  background: lightgray;
}

.caixa{
  position: relative;
  width: 940px;
  margin: 0 auto;
}

nav{
  position: absolute;
  top: 110px;
  right: 0;
}
nav li{
  display: inline;
  margin: 0 0 0 15px;
}

main{
  width:940px;
  margin: 0 auto;
}

footer{
  text-align: center;
  background: #000000;
  padding: 40px 0;
}

.copyright{
  color: #FFFFFF;
  font-size: 13px;
  margin: 20px 0 0;
}
nav a{
  text-transform: uppercase;
  color:#000000;
  font-weight: bold;
  font-size: 22px;
  text-decoration: none;
}

nav a:hover{
  color:#C78C19;
  text-decoration: underline;
}

.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:hover{
  border-color: #FF0000;
}

.produtos li:active{
  border-color: #FF0000;
}

.produtos li:hover h2{
  font-size: 30px;
}

.produtos h2{
  font-size: 30px;
  font-weight: bold;
}
footer{
  text-align: center;
  background: #000000;
  padding: 40px 0;
}

.copyright{
  color: #FFFFFF;
  font-size: 13px;
  margin: 20px 0 0;
}
#dinasty{
  width:90%;
}
#arautos{
  width:90%;
}
table{
  margin:20px 0 40px;
}
thead{
  background:#555555;
  color:white;
  font-weight:bold;
}
td, th{
  border:1px solid #000000;
  padding:8px 15px;
}