* {
    transition-duration: 0.25s;
}
/*html, body {
    height: 100%;
}*/
a {
    text-decoration: none;
    color: inherit;
}
footer a:hover {
    text-decoration: underline;
}
video {
    position: fixed;
    width: 100%;
    height: 100%;
    object-fit: cover;
    top: 0;
    background-color: #0f121d;
}
.video-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 2;
}
.main-content {
    position: relative;
    z-index: 3;
}
#content1 {
    opacity: 0;
    animation: spawn 1.5s ease-in-out forwards;
}
#content2 {
    opacity: 0;
    animation: spawn 1.5s ease-in-out forwards;
    animation-delay: 0.3s;
}
#content3 {
    opacity: 0;
    animation: spawn 1.5s ease-in-out forwards;
    animation-delay: 0.5s;
}
#videoBtn, #topBtn {
    z-index: 4;
}
#primaryButton {
    -webkit-transition: 200ms linear;
    -ms-transition: 200ms linear;
    transition: 200ms linear;
}
#primaryButton:hover {
    background-color: transparent;
    color: #ffffff;
    -webkit-transition: 200ms linear;
    -ms-transition: 200ms linear;
    transition: 200ms linear;
}
#secondaryButton {
    -webkit-transition: 200ms linear;
    -ms-transition: 200ms linear;
    transition: 200ms linear;
}
#secondaryButton:hover {
    background-color: #ffffff;
    color: #000000;
    -webkit-transition: 200ms linear;
    -ms-transition: 200ms linear;
    transition: 200ms linear;
}
.bi:hover {
    color: #ffffff;
}
.card {
    border: none;
}
.card:after {
    content: "";
    position: absolute;
    height: 100%;
    width: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0.8;
}
.card:active {
    -webkit-transform: translateY(3px);
    transform: translateY(3px);
}
.card div {
    z-index: 1;
}
#card1 {
    background-image: url('./assets/maibaum.jpg');
}
#card2 {
    background-image: url('./assets/weihnachtsbaumverkauf.jpg');
}
@keyframes spawn{
    0%{
        opacity:0%;
    }
    100%{
        opacity:100%;
    }
}