body {
    margin: 0;
    padding: 0;
}

.title {
    text-align: center;
    margin-top: 50px;
    font-family: 'Balsamiq Sans', cursive;
    color: #0086ce;

}

.subtitle {
    text-align: center;
    margin-top: 10px;
    font-family: 'Montserrat', sans-serif;
    color: #3F3A51 ;
}

.platforms-wrapper {
    display: table;
    box-sizing: border-box;
    width: 100%;
    max-width: 1600px;
    height: 300px;
    margin: 0 auto;
}

.website, .demo {
    box-sizing: border-box;
    width: 100%;
    max-width: 1600px;
    height: 200px;
    margin: 0 auto;
    background-image: url('images/website-background.jpeg');
    background-size: cover;
    background-position: center center;
    position: relative;
    text-align: center;
}

.demo {
    background-image: url('images/demo-background.jpeg');
}
.website::after, .demo::after {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000000;
    opacity: 0.45;
}

.website .logo {
    width: 230px;
}

.platforms-wrapper .hub, .platforms-wrapper .lab {
    display: table-cell;
}

.platforms-wrapper .hub {
    background-image: url('images/hub-background.png');
    background-size: cover;
    background-position: center center;
    position: relative;
}

.platforms-wrapper .hub::after {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000000;
    opacity: 0.45;
}

.platforms-wrapper .hub a, .platforms-wrapper .lab a, .website a, .demo a {
    box-sizing: border-box;
    padding: 20px;
    border: 10px solid white;
    display: inline-block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1000;
    text-decoration: none;
}

.platforms-wrapper .wrapper, .website .wrapper, .demo .wrapper {
    text-align: center;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
}

.wrapper h2, .wrapper h3 {
    font-family: 'Montserrat', sans-serif;
    color: white;
}

.platforms-wrapper .logo {
    width: 230px;
}

.platforms-wrapper .lab {
    background-image: url('images/lab-background.jpeg');
    background-size: cover;
    background-position: center bottom;
    position: relative;
}
.platforms-wrapper .lab::after {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000000;
    opacity: 0.45;
}

.copyright {
    font-family: 'Montserrat', sans-serif;
    color: #3F3A51 ;
    text-align: center;
}

@media only screen and (max-width: 768px) {
  .title {
    margin-top: 30px;
  }

    .platforms-wrapper {
        height: 400px;
    }

    .website, .demo {
        height: 200px;
    }

    .website .logo {
        width: 180px;
    }

    .platforms-wrapper .hub, .platforms-wrapper .lab {
        display: block;
        height: 200px;
    }


    .platforms-wrapper .hub a, .platforms-wrapper .lab a, .website a, .demo a { 
        padding: 20px;
        border: 5px solid white;
        display: inline-block;
    }

    h3 {
        font-size: 16px;
    }
    .platforms-wrapper .logo {
        width: 180px;
    }


}