:root{
    --purple: #b41e8e;
    --purple-eff: rgb(126, 33, 102);
}
:focus-visible {
    outline: none;
}
html, body{
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
body{
    background-image: url('../image/bg-home.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.btn-purple{
    color: white;
    width: 100%;
    border: 0;
    border-radius: 8px;
    background-color: var(--purple);
    transition: background-color 0.1s;
    padding: 0.1rem 1.5rem;
    font-size: 4dvh;
}
.btn-purple:hover, .btn-purple:focus, .btn-purple:active, .btn-purple:visited{
    background-color: var(--purple-eff);
}
.btn-purple.disable{
    color: white;
    background-color: gray;
}
.btn-purple.disable:hover, .btn-purple.disable:focus, .btn-purple.disable:active, .btn-purple.disable:visited{
    background-color: gray;
}
.welcome-container{
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 4;
    width: 100%;
    height: 100%;
    padding: 1.8dvh;
}
.header{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.date-text{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 1.8dvh;
}
.button-holder{
    width: 70%;
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    margin-top: 1dvh;
}
.btn-lang{
    margin-top: 0.5dvh;
    margin-bottom: 0.5dvh;
    width: 100%;
}
.top-moon{
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2;
    width: 100%;
    mix-blend-mode: screen;
}
.top-lantern{
    position: fixed;
    top: 0;
    left: 0;
    z-index: 3;
    width: 100%;
}
.img-head{
    width: 82%;
    height: auto;
    max-width: 90%;
}
.img-bg{
    width: 100%;
    height: auto;
}