* {
    box-sizing: border-box;
}

body {
    color:#BC4749;
    background-color: #1D3354;
    height: 100%;
    margin: 0;
    font-family: 'Dosis', sans-serif;
    text-align: center
}

.btn {
    background-color: #f9db6d;
    color: #1d3354;
    margin:40px; 
    padding: 10px;
    font-size: 20px
}

header {
    background-color: #f4eded;
    padding: 30px;
    font-size: 35px;
    color: #467599;
  }

  section:after {
    content: "";
    display: table;
    clear: both;
  }

  .wrapper {
      min-height: 100%;
      margin-bottom: -50px
  }
  
  footer {
    background-color: #467599;
    padding: 10px;
    text-align: center;
    color: #f9db6d;
    font-size: 20px;
    position: absolute;
    left: 0;
    bottom: 0;
    height: 100px;
    width: 100%;
    overflow: hidden;
  }
  
  
  @media (max-width: 600px) {
    nav, article {
      width: 100%;
      height: auto;
    }
  }