*{
  font-family: Arial, sans-serif;
}

body{
  background-image: url(http://santuarionacional.org.br/downloads/2020/12/bg.jpg);
  background-repeat: repeat;
  margin: 0;
  padding: 0;
}

.content{
  margin: 0 10%;
}

header{
  padding: 50px 0;
  text-align: center;
  display: block;
  height: auto;
}

header img{
  width: 100%;
  max-width: 854px;
}

#content div{
  display: inline-block;
  box-sizing: border-box;
  vertical-align: top;
}

.col-2{
  width: 50%;
  margin-right: 5%;
}

.col-2 img{
  width: 100%;
}

.col-1{
  width: 44%;
  padding: 30px;
  background: #f6f6f6;
  border-radius: 15px;
}

.col-1 img{
  width: 100%;
}

.col-1 form{
  margin-top: 20px;
  font-size: 16px;
  font-style: italic;
  text-align: center;
}

.col-1 form input{
  width: 100%;
  display: inline-block;
  border-radius: 10px;
  border: 0;
  background: #e3e3e3;
  color: #555;
  font-size: 20px;
  height: 40px;
  line-height: 40px;
  padding: 0 10px;
  box-sizing: border-box;
  margin-bottom: 15px;
}

.col-1 form input[type="checkbox"]{
  display: inline-block;
  vertical-align: middle;
  width: 40px;
  height: 40px;
}

.col-1 form label span{
  display: inline-block;
  vertical-align: middle;
  height: 30px;
  text-align: left;
}

.col-1 form input[type="submit"]{
  background-image: url(http://santuarionacional.org.br/downloads/2020/10/buttom.png);
  background-repeat: no-repeat;
  background-size: contain;
  background-color:#f6f6f6;
  margin-top: 20px;
  width: 100%;
  max-width: 372px;
  height: 64px;
  opacity: 1;
  font-size: 0;
  cursor: pointer;
}

.col-1 form input[type="submit"]:hover{
  opacity: .8;
}

footer{
  text-align: center;
  background-image: url(http://santuarionacional.org.br/downloads/2020/10/bg-footer.png);
  background-size: cover;
  background-position: top center;
  margin-top: 30px;
  padding: 100px 20px 30px 20px;
}

footer a img{
  width: 100%;
  max-width: 369px;
}

@media only screen and (max-width: 769px) {
  header{
    padding: 20px 0;
  }

  #content div{
    width: 100%;
    margin: 0 0 20px 0;
  }
}

@media only screen and (max-width: 426px) {
  .col-1 form label span{
    width: 200px;
    height: auto;
  }

  footer{
    padding: 15% 10% 5% 10%;
  }

  footer a img{
    width: 50%;
  }
}