body {
  margin: 0;
  color: white;
  text-align: center;
  font-family: Verdana, Arial; 
}

a{
  text-decoration: none;

  &:hover{
    text-decoration: none;
  }
}

img{
  max-width: 100%;
}

.btn{
  display: inline-block;
  margin: 1rem 0;
  color: white;
  font-weight: 500;
  font-size: 1.3rem;
  background: #32B796;
  letter-spacing: .02em;
  border: none;
  border-radius: 5px;
  padding: .8rem 1rem .9rem;
  text-shadow: 0 1px rgba(black,.3);
  box-shadow: 0 0 2px rgba(black,.2);

  &:hover{
    background: lighten(#32B796,5%);
    color: #fff;
  }
  &:focus,
  &:active,
  &:focus:active{
    background: darken(#32B796,5%);
    border-color: darken(#32B796,5%);
    box-shadow: 0 2px 5px 0 rgba(black,.5) inset;
  }
}

header{
  background-image: linear-gradient(-225deg, rgba(0,101,168,0.6) 0%, rgba(0,36,61,0.6) 50%),url(http://programathor.com.br/assets/background-work-91c6de20f88c24b1350df35de58234477e04987e54eddf8215b5ff47470b7ee7.jpg);
  height: 100vh;
  background-size: cover;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  background-attachment: fixed;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  h1{
    text-align: center;
    font-size: 3rem;
    color: white!important;
  }
}