@media screen and (max-width: 850px) {
    
    
html {
    scroll-behavior: smooth;
}

html,body {
    height: 100%;
}
    
/********************** HEADER **********************/


header {
    position: fixed;
    width: 100%;
    top: 0;
    background-color:white;
    height: 55px;
    z-index: 10;
}

.header1 {
    float: left;
    padding: 10px 15px 15px 15px;
    background-color: ;
    height: 55px;
}


.header2 {
    float: right;
    padding: 10px 15px 15px 15px;    
    height: 55px;
}


h1 {
    font-size: 25px;
}


h1 a {
    color: black;
    text-decoration: none;
}

/********************** IMAGES **********************/
.box1 {
    width: 100%;    
    }
    
.imagesgroup {
    float: left;
    width: 100%;
    margin-top: 70px;
    padding: 15px;
    z-index: 3;
}

.img1, .img2, .img3, .img4, .img5 {
    padding-bottom: 15px;
}


/********************** TEXT **********************/

.textbox {
    float: left;
    position: relative;
    font-size: 15px;
    height: 235px;
    max-width: 100%;
    margin-bottom: 90px;
    padding: 10px 15px 30px 15px;
    z-index: 2;
}

.year {
    float: left;
    width: 100%;
    padding-bottom: 10px;
}

.title {
    float: left;
    width: 100%;
    line-height: 1.4;
    z-index: 2;
}
.regtext {
    z-index: 2;
}


/********************** FOOTER **********************/

footer {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;   
    height: 70px;
    padding: 15px 15px 15px 15px;
    background-color: white;
    z-index: 10;
}

.backbutton {
    font-size: 25px;
    float: left;
    }