.logo {
  position:absolute;
  top:17px;
  left:10px;
}


.footer {
  background: url("../img/caiet.jpg");
  background-repeat: no-repeat;
}


.column {
  display: none; /* Hide all elements by default */
}


.btn.active {
  background-color: #324B74!important;
  color: white;
}


* {
  box-sizing: border-box;
}


/* The "show" class is added to the filtered elements */
.show {
  display: block;
}

@media only screen and (max-width: 768px) {
  /* For mobile phones: */

  h1 { font-size:35px!important;}
    h3 { font-size:20px!important;}
    .logo img {width:110px!important;}
}