.button {
  display: block;
  text-align: center;
  vertical-align: middle;
  padding: 12px 24px;
  border: 1px solid #ff5a5a;
  border-radius: 8px;
  background: #07273c;
  background: -webkit-gradient(linear, left top, left bottom, from(#4589ff), to(#4589ff));
  background: -moz-linear-gradient(top, #07273c, #07273c);
  background: linear-gradient(to bottom, #07273c, #07273c);
  -webkit-box-shadow: #050505 0px 0px 40px 0px;
  -moz-box-shadow: #050505 0px 0px 40px 0px;
  box-shadow: #050505 0px 0px 40px 0px;
  text-shadow: #07273c 1px 1px 1px;
  font: normal normal bold 38px arial;
  color: #ffffff;
  text-decoration: none;
}
.button:hover,
.button:focus {
  border: 4px solid #ff5a5a;
  background: #0e4970;
  background: -webkit-gradient(linear, left top, left bottom, from(#53a4ff), to(#53a4ff));
  background: -moz-linear-gradient(top, #53a4ff, #53a4ff);
  background: linear-gradient(to bottom, #53a4ff, #53a4ff);
  color: #ffffff;
  text-decoration: none;
}
.button:active {
  background: #0e4970;
  background: -webkit-gradient(linear, left top, left bottom, from(#295299), to(#4589ff));
  background: -moz-linear-gradient(top, #295299, #4589ff);
  background: linear-gradient(to bottom, #295299, #4589ff);
}

body {
  margin: 0;
}
.background_container {
    background-position: center center !important;
    background-attachment: fixed !important;
    background-repeat: no-repeat !important;
    background-size: cover !important;
    height: 100%;
    width: 100%;
    position: fixed;
    z-index: -1;
    top: 0;
    left: 0;
}
.container {
    position: relative;
    margin-right: auto;
    margin-left: auto;
    max-width: 1200px;
}
* {
    box-sizing: border-box;
  }
  .row {
      display: flex;
  }
  .row-form {
    display: block;
  }
  .column-1 {
    float: left;
    width: 100%;
    padding: 0;
  }
  .column-2 {
    float: left;
    width: 50%;
    padding: 50px 110px 50px 50px;
  }
  .column-form {
    width: 100%;
    padding: 50px 50px;
    height: 300px; /*/ dient slechts ter demonstratie /*/
  }
  
  .row:after {
    content: "";
    display: table;
    clear: both;
  }
  img.school {
    position: relative;
    width: auto;
    height: auto;
    margin: 0 auto;
    max-height: 425px;
    top: -25px;
}
h1 {
    font-family: 'Arimo';
    color: #222222;
    font-weight: 100;
}
p {
    color: #666666;
    line-height: 25px;
    font-family: 'Open Sans';
    font-size: 15px;
}
a {
  color: #1b4472;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
a.main_button {
  width: 100%;
  padding: 20px;
  font-family: 'Open Sans';
  margin-bottom: 10px;
  font-size: 1.5em;
  display: block;
  text-align: left;
}
a.main_button:hover {
  text-decoration: none;
  color: #666666 !important;
}
nav ul li {
  list-style-type: none;
}
nav ul {
  padding: 0;
}
a i.fa.fa-home {
  color: #fff;
  font-size: 24px;
}
a i.fa.fa-home:hover {
  color: #666;
  transition: 0.5s ease;
}
.collapsible {
  background-color: #f8f8f8;
  color: #666;
  cursor: pointer;
  padding: 12px;
  width: 100%;
  border: 1px solid #666666;
  text-align: left;
  outline: none;
  font-size: 15px;
  transition: 0.5s ease;
  margin-bottom: 12px;
}
.content {
  padding: 0 18px;
  display: none;
  overflow: hidden;
  background-color: #f8f8f8;
  font-family: 'Open Sans';
  font-size: 15px;
  border: 1px solid #666666;
  transition: 0.5s ease;
  margin-bottom: 12px;
}
.content li {
  margin-top: 10px;
}
#footer {
  padding: 30px 0px 31px 0px;
}
.footer {
  background: #fff;
  padding: 30px 50px;
  display: flex;
}
#footer img {
  position: relative;
  height: 100%;
  margin: 0 auto;
}
@media screen and (max-width: 900px) {
    .column-1 {
      width: 100%;
    }
    .column-2 {
      width: 100%;
    }
    .row {
        display: block;
    }
    .container {
        margin: 0;
        padding: 0;
    }
    .footer {
      display: block;
      margin: 0 auto;
      text-align: center;
    }
    a i.fa.fa-home {
      color: #666;
    }
  }