/**************************responsive small screen**************************/
@media only screen and (max-width: 650px)
{
    body {
    margin: 0;
    margin-top: 50px;
    font-family: sans-serif;
    }

	/********header********/
    header {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    line-height: 50px;
    background-color: #000000;
    }   

    header * {
    display: inline;
    height: 50px;
    }

    header ul {
    padding: 0;
    }

    header li {
    margin-left: 20px;
    }

    header a {
    text-decoration: none;
    color: 	#C0C0C0;
    }

    /********section********/
    section {
    height: 100vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
	section#over{
	height: 265%;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
	}
	section#vakken{
	height: 75vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
	}
	section#Taken{
    height: 245vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
    /********home********/
    footer {
    text-align: center;
    padding: 15px;
    }
    #home .profile-img {
    width: 300px;
    border-radius: 50%;
    }

    #home h1 {
    font-size: 3em;
    }
	#home p {
	font-size: 19px;
	}

    /********over********/
    #over h2{
    height: 1px;
    }
    #over div p {
    margin: 0;
    max-width: 1000px;
    text-align: left;
    }
    #over div h5{
    margin: 0 1vw;
    padding: 40px 0;
    max-width: 450px;
    text-align: match-parent;
    font-weight: normal;
    font-size: 16px;
    height: 5%;
	margin-left: auto;
	margin-right: auto;
    }
    section h3 {
    font-size: 1.5em;
    }

    .section-inner div{
    width: 65vw;
    height: 17%; 
    padding-top: 0.5%;
	padding-bottom: 10%;
    color: 	#C0C0C0;
    background-color: black;
    border: solid 1px;
    margin-bottom: 1%;
	margin-left: 65px;
    border-color: transparent;
    }
    .section-inner div img{
    width:30vh;
    height: 15vh;
    padding: 0.5%;
    }
    #over-text{
    padding:0 50vw;
    }

    /********vakken********/
    .vakken div{
    width: 15vw;
    padding: 20px;
    padding-right: 115px;
    }
	.vakken p{
	font-size: 16px;
	}
    .button-vak{
	color: 	#C0C0C0;
    text-transform: uppercase;
    text-decoration: none;
    background: black;
    padding: 12%;
    border-radius: 30px;
    display: inline-block;
    border: none;
    transition: all 0.4s ease 0s;
    width: 155%;
	}
	.button-vak:hover{
	text-shadow: 0px 0px 6px rgba(255, 255, 255, 1);
    box-shadow: 0px 5px 40px -10px rgba(0,0,0,0.57);
    box-shadow: 0px 5px 40px -10px rgba(0,0,0,0.57);
    transition: all 0.4s ease 0s;
	}
	.pdf{
        margin: inherit;
        width: inherit;
        height: 455px;
        margin-left: 30px;
    }

	.taken h2{
		font-size: 17px;
	}
	.taken p{
		
	}
    /********contactgegevens********/
    section h2 {
        font-size: 2.5em;
    }
    .fa-envelope{
        color: red;
        font-size: 1em;
    }
    .fa-facebook-square{
        color: red;
        font-size: 1em; 
		padding-right: 2em;
    }
    .fa-phone{
        color: red;
        font-size: 1em;
		padding-left: 2em;
    }
	.contact ul{
		list-style: none;
		padding: 1px;
	}
	.contact li{
		display: inline;
	}

    /********background********/
    #home {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('http://www.yyc-tech.com/wp-content/uploads/2017/05/tech-image.jpg');
    }

    #over {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
    #vakken {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
    #contactgegevens {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
	#Taken {
		background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
	}
    footer{
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }

    /********footer********/
    footer {
        text-align: center;
        padding: 15px;
    }
}
/**************************responsive middle screen**************************/
@media only screen and (min-width: 768px)
{
    body {
    margin: 0;
    margin-top: 50px;
    font-family: sans-serif;
    }

/********header********/
    header {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    line-height: 50px;
    background-color: #000000;
    }   

    header * {
    display: inline;
    height: 50px;
    }

    header ul {
    padding: 0;
    }

    header li {
    margin-left: 20px;
    }

    header a {
    text-decoration: none;
    color: 	#C0C0C0;
    }

    /********section********/
    section {
    height: 100vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
	section#vakken{
	height: 100vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
	}
	section#Taken{
    height: 250vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
	section#over{
    height: 110%;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
	
    /********home********/
    footer {
    text-align: center;
    padding: 15px;
    }
    #home .profile-img {
    width: 300px;
    border-radius: 50%;
    }

    #home h1 {
    font-size: 3em;
    }
	
	#home p {
	font-size: 19px;
	}

    /********over********/
	#over h2{
    height: 0px;
    }
    #over div p {
    margin: 8%;
    padding: 3% 0;
    max-width: 1000px;
    text-align: left;
    }
    #over div h5{
    margin: 0 5vw;
    padding: 0 5vw;
    padding: 40px 0;
    max-width: 1000px;
    text-align: match-parent;
    font-weight: normal;
    font-size: 16px;
    height: 3vh;
	margin-left: auto;
	margin-right: auto;
    }
	#over-text{
    padding:0 5px;
    }
    section h3 {
    font-size: 1.5em;
	height: 1px;
    }
    .section-inner div{
    float: left;
    width: 29%;
    height: 60%;
    padding: 5px;
    color: 	#C0C0C0;
    background-color: black;
    border: solid 1px;
    margin: 10px;
    border-color: transparent;
    }
    .section-inner div img{
    width: 28vh;
    height: 15vh;
    }

    /********vakken********/
    .vakken div{
    float: left;
    width: 18vw;
    padding: 5px;
    }
	.vakken p{
	font-size: 12px;
	}
    .button-vak{
	color: 	#C0C0C0;
    text-transform: uppercase;
    text-decoration: none;
    background: black;
    padding: 20px;
    border-radius: 50px;
    display: inline-block;
    border: none;
    transition: all 0.4s ease 0s;
    width: 13vh;
	font-size: 13px;
	}
	.button-vak:hover{
	text-shadow: 0px 0px 6px rgba(255, 255, 255, 1);
    box-shadow: 0px 5px 40px -10px rgba(0,0,0,0.57);
    box-shadow: 0px 5px 40px -10px rgba(0,0,0,0.57);
    transition: all 0.4s ease 0s;

	}
	.pdf{
        margin: inherit;
        width: inherit;
        height: 455px;
        margin-left: 30px;
    }

	.taken h2{
		font-size: 17px;
	}
	.taken p{
		width:500px; 
	}

    /********contactgegevens********/
    section h2 {
        font-size: 2.5em;
    }
    .fa-envelope{
        color: red;
        font-size: 1em;
    }
    .fa-facebook-square{
        color: red;
        font-size: 1em; 
		padding-right: 2em;
    }
    .fa-phone{
        color: red;
        font-size: 1em;
		padding-left: 2em;
    }
	.contact ul{
		list-style: none;
		padding: 1px;
	}
	.contact li{
		display: inline;
	}

    /********background********/
    #home {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('http://www.yyc-tech.com/wp-content/uploads/2017/05/tech-image.jpg');
    }

    #over {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
    #vakken {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
    #contactgegevens {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
	#Taken {
		background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
	}
    footer{
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }

    /********footer********/
    footer {
        text-align: center;
        padding: 15px;
    }
}
/**************************responsive big screen**************************/
@media only screen and (min-width: 992px)
{
    body {
    margin: 0;
    margin-top: 50px;
    font-family: sans-serif;
    }

/********header********/
    header {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    line-height: 50px;
    background-color: #000000;
    }   

    header * {
    display: inline;
    height: 50px;
    }

    header ul {
    padding: 0;
    }

    header li {
    margin-left: 20px;
    }

    header a {
    text-decoration: none;
    color: 	#C0C0C0;
    }

    /********section********/
    section {
    height: 100vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
	section#vakken{
	height: 100vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
	}
	section#taken{
    height: 250vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
	section#taken2{
    height: 170vh;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
	section#over{
    height: 140%;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    }
    /********home********/
    footer {
    text-align: center;
    padding: 15px;
    }
    #home .profile-img {
    width: 300px;
    border-radius: 50%;
    }

    #home h1 {
    font-size: 3em;
    }
	
	#home p {
	font-size: 19px;
	}

    /********over********/
    #over h2{
    height: 5px;
    }
    #over div p {
    margin: 0px;
	padding: 0 40px;
    max-width: 1000px;
    text-align: left;
    }
    #over div h5{
    margin: 0 5vw;
    padding: 40px 0;
    max-width: 1000px;
    text-align: match-parent;
    font-weight: normal;
    font-size: 16px;
    height: 3vh;
	background-color: transparent;
	margin-left: auto;
	margin-right: auto;
    }

    section h3 {
    font-size: 1.5em;
    }
    .section-inner div{
    float: left;
    width: 292px;
    height: 55%;
    padding: 5px;
    color: 	#C0C0C0;
    background-color: black;
    border: solid 1px;
    margin: 10px;
    border-color: transparent;
    }
    .section-inner div img{
    width:30vh;
    height: 15vh;
    padding: 5px;
    }
    #over-text{
    padding:0 5px;
    }

    /********vakken********/
    .vakken div{
    float: left;
    width: 17vw;
    padding: 5px;
    }
	.vakken p{
	font-size: 16px;
	}
    .button-vak{
	color: 	#C0C0C0;
    text-transform: uppercase;
    text-decoration: none;
    background: black;
    padding: 20px;
    border-radius: 50px;
    display: inline-block;
    border: none;
    transition: all 0.4s ease 0s;
    width: 17vh;
	}
	.button-vak:hover{
	text-shadow: 0px 0px 6px rgba(255, 255, 255, 1);
    box-shadow: 0px 5px 40px -10px rgba(0,0,0,0.57);
    box-shadow: 0px 5px 40px -10px rgba(0,0,0,0.57);
    transition: all 0.4s ease 0s;
	}
	.pdf{
        margin: inherit;
        width: inherit;
        height: 455px;
        margin-left: 30px;
    }

	.taken h2{
		font-size: 17px;
	}
	.taken p{
		width:500px; 
	}

    /********contactgegevens********/
    section h2 {
        font-size: 2.5em;
    }
    .fa-envelope{
		color: red;
        font-size: 1em;
    }
    .fa-facebook-square{
        color: red;
        font-size: 1em; 
		padding-right: 2em;
    }
    .fa-phone{
        color: red;
        font-size: 1em;
		padding-left: 2em;
    }
	.contact ul{
		list-style: none;
		padding: 1px;
	}
	.contact li{
		display: inline;
	}
	

    /********background********/
    #home {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('http://www.yyc-tech.com/wp-content/uploads/2017/05/tech-image.jpg');
    }

    #over {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
    #vakken {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
    #contactgegevens {
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }
	#Taken {
		background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
	}
	#Taken2 {
		background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
	}
    footer{
        background-image: linear-gradient(rgba(255,255,255,0.75),rgba(255,255,255,0.75)), url('https://wallpaperplay.com/walls/full/f/2/7/11753.jpg');
    }

    /********footer********/
    footer {
        text-align: center;
        padding: 15px;
    }
}