*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
}
body{
    background-color:rgb(0, 0, 0);
    color: rgb(255, 255, 255);
}

#header{
    width:100% ;
    height:100vh;
    background:url(afbeelding/aap.JPG) ;
    background-size: cover; 
    background-position: right;
}
/*----------navbar-------*/
.mobile-container {
    width: 100%;
    background-color: transparent;
    color: white;
    border-radius: 10px;
  }
  .topnav #myLinks {
    display: none;
  }
  .topnav a {
    float: left;
    color: white;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 20px;
  }
  .topnav a.icon {
    float: right;
  }
  
  .topnav a:hover {
    background-color: #22ff00;
    color: black;
    transition: 0.5s;
    border-radius: 10px ;
  }
  /*----------about-------*/
.container{
    padding: 10px 10%;
}

nav{
    display: flex ;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo{
    width: 140px;
}

nav ul li{
    display: inline-block;
    list-style: none;
    margin: 20px 20px;
}

nav ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    position: relative;
}

nav ul li a::after{
    content:'';
    width: 0;
    height: 3px;
    background: #22ff00;
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}

nav ul li a:hover::after{
    width: 100%;
}
/*terug vinden-------------------------------------------------------------------------------------------------*/
.header-text{
    margin-left: 1000px;
    font-size: 20px;
}
.header-text h1{
    font-size: 50px;
    margin: top 20px; ;
}
.header-text h1 span{
color: #22ff00;
}
/*----------about-------*/
 
#about{
    padding: 80px 0;
    color: #ababab ;
}
.row{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.about-col-1{
    flex-basis: 35%;
}
.about-col-1 img{
    width: 100%;
    border-radius: 15px;
}

.about-col-2{
    flex-basis: 60%; ;
}

.sub-title{
    font-size: 60px;
    font-weight: 600;
    color: #fff;
}

.tab-titles{
    display: flex;
    margin:20px 0 40px ;
}

.tab-links{
    margin-right: 50px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}
.tab-links::after{
    content:'';
    width: 0;
    height: 3px;
    background: #22ff00;
    position: absolute;
    left: 0;
    bottom: -8px;
    transition:0.5s ;
}

.tab-links.active-link::after{
    width: 50%;
}

.tab-contents ul li{
    list-style: none;
    margin: 10px o;
}

.tab-contents ul li span{
    color:  #22ff00;
    font-size: 14px;
}

.tab-contents{
    display: none;
}

.tab-contents.active-tab{
    display: block;
}

/*--------services---------*/

#services{
    padding: 30px 0;
}
.services-list{
display: grid;
grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));
grid-gap: 40px;
margin-top: 50px;
}
.services-list div {
    background:#262626;
    padding: 40px;
    font-size: 13px;
    font-weight: 300;
    border-radius: 10px;
    transition: 0.5s;
}
.services-list div:hover{
    background-color: #22ff00;
    transform: translateY(-5px);
}
/*voor de cijfers*/
.services-list div i{
    font-size: 50px;
    margin-bottom: 30px;
}

.services-list div h2{
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 15px;
}
/*voor de learn more*/
.services-list div a{
    text-decoration: none;
    color:#ffffff;
    font-size: 12px;
    margin-top: 20px;
    display: inline-block;
}
/*--------------contact-------------*/
.contact-left{
    flex-basis: 35%;
}

.contact-right{
    flex-basis: 60%;
}

.contact-left p{
    margin-top: 30px;
}
.contact-left p i{
    color: #22ff00;
    margin-right: 15px;
    font-size:25;
}
.social-icons{
    margin-top: 30px;
}
.social-icons a{
    text-decoration: none;
    font-size: 30px;
    margin-right: 15px;
    color: #ababab;
    display: inline-block;
    transition: 0.5s;
}
.social-icons a:hover{
  color: #22ff00;
  transform: translateY(-5px);
}
.btn.btn2{
    width: 80px;
    height: 40px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    background-color: #22ff00;

}
.contact-right form{
    width: 100%;
}
.form input, form textarea{
    width: 100%;
    border: 0;
    outline: none;
    background-color: #262626;
    padding: 15px;
    margin: 15px 0;
    color: #fff;
    font-size: 18px;
    border-radius: 6px;
}
.form text, form textarea{
    width: 100%;
    border: 0;
    outline: none;
    background-color: #262626;
    padding: 15px;
    margin: 15px 0;
    color: #fff;
    font-size: 18px;
    border-radius: 6px;
}
.form .btn2{
    padding: 14px 60px;
    font-size: 18px;
    margin-top: 20px;  
    cursor:pointer ;
}
nav .fas{
    display: none;
}

@media only screen and (max-width: 600px){
    #header{
         background-image: url();
    }
    nav .fas{
        display: block;
        font-size: 25px;
    }
    nav ul{
        background: #22ff00;
        position: fixed;
        top: 0;
        right: 0;
        width: 200px;
        height: 100vh;
        padding-top: 50px;

    }

}