/* reset */
:root{
    --color-theme:#00e897;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html{
    background-color: #3F3F3F;
    color: #ffffff;
    font-size: 24px;
    height: 100%;
    scroll-behavior: smooth;
    font-family: Iceland;
}
/* header */
header {
    text-align: center;
    background-color: var(--color-theme);
    width: 100%;
    margin: auto;
    padding: 5px 0 5px 0;
    z-index: 10;
}
h1{
    font-size: 3.5rem;
}
header nav{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: .3rem;
    padding: .5rem ;
}
header a {
    font-size: 1.25rem;
    text-align: center;
    margin: 0;
    padding: .2rem;
    position: relative;
}
header a:hover{
    background: radial-gradient(circle,rgba(87, 199, 133, 0) 0%, rgba(0, 0, 0, 0.65) 100%);; 
    transform: scale(1.025);
}
/* main */
h2{
    background-color: #000000;
    width: 10rem;
    right: 20%;
    margin: 1rem;
    padding: 1rem;
    text-align: center;
}
#album{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px,8fr));
    grid-gap: .1rem;
    margin: auto;
    padding: 1.5rem ;
}
#group-album{
    display: flex;
    gap: 1rem;
    margin: auto;
    padding: 1.5rem ;
    overflow-x: auto ;
}
#group-album::-webkit-scrollbar{
    display: none;
}
#group-album :hover{
    background-color: #00000050;
    transform: scale(1.025);
}
#group-album .gallery_item :hover{
    background-color: #00000000;
    transform: scale(1);
}
.gallery_item{
    display: block;
    background-color: #00000050;
    border: #000000 solid 1px;
    width: 25rem;
    padding : .5rem;
    margin: auto;
    position: relative;
}
.gallery_item section, figure{
    padding: .5rem;
    margin: 0
}
a{
    text-decoration: none;
    color: white;
}
img{
    width: 20rem;
    height: 14rem;
    margin: auto;
    object-fit: cover;
    position: relative;
}
/*colorbuttons*/
.color-change{
    margin: auto;
    padding: 1.5rem ;
    background-color: #00000050;
    margin: 1rem;
}
.color_button{
    width: 50px;
    height: 50px;
    border: #000000 solid 1px;
    margin: 5px;
}
.color_button:hover{
    transform: scale(1.2);
}
#Btn_green{
    background-color: #00e897;
}
#Btn_orange {
    background-color: #e78b12;
}
#Btn_purple {
    background-color: #9510e8;
}
#Btn_pink {
    background-color: #e605ed;
}
#Btn_red {
    background-color: #d81647;
}
#Btn_blue {
    background-color: #1040d0;
}
#Btn_yellow {
    background-color: #eecc22;
}
#Btn_aqua {
    background-color: #1ad6dc;
}
/* footer */
footer{
    padding: 25px;
}
footer p{
    color: white;
    font-size: .8rem;
    margin: 3vh 0 3vh 0;
}
/* break-header */
#break-header{
    background-color: #3F3F3F;
    border: #000000 solid 1px;
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 25;
}
#break-header header{
    position: absolute;
    background: radial-gradient(circle,var(--color-theme) 0%, rgba(0, 0, 0, 100) 100%);; 
    transform: scale(1.025);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 35;
}
#break-header .color-change{
    bottom: 0;
    position: absolute;
}
#break-header h1{
    font-size: 4rem;
    text-align: left;
    padding: 1.5rem;
}
#arrowbutton_svg{
    position: absolute;
    bottom: 10%;
    right: 10%;
    transform: scale(.7);
    z-index: 40;
}
#arrowbutton_svg:hover{
    transform: scale(.8);
    animation: up-move 1s ease-in-out;
}
@keyframes up-move {
    from{
        transformY: 0;
    }
    to{
        transformY: 100px;
    }
}
#buttonsvg{
    fill: var(--color-theme);
    z-index: 41;
}
#upper_buttonsvg{
    fill: #00000086;
    z-index: 42;
}
#upper_buttonsvg:hover{
    fill: #00000000;
    z-index: 42;
}
#arrow{
    fill: #ffffff;
}