* {
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: 'Montserrat', sans-serif;
}

video {
    position: fixed;
    object-fit: cover;
    top: 0;
    left: 0;
    min-width: 100vw;
    min-height: 100vh;
    z-index: -2;
}

.database_info {
    text-align: center;
    display: block;
    position: fixed;
    top: 0;
    left: 75%;
    right: 0;
    margin-left: auto;
    margin-right: 5px;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(15,180,0,1) 50%, rgba(255,255,255,0) 100%);
    font-size: 12px;
    color: white;
    padding-top: 4px;
    padding-bottom: 4px;
    z-index: 10;
}

/* --------------- VZHLED STRÁNKY --------------- */

.main {
    text-align: center;
}
#rhemaimage{
    width: 220px;
    height: auto;
    margin-top: 20px;
}

/* --------------- VZHLED STRÁNKY --------------- */
/* --------------- MENU ------------------------- */

.menu {
    text-align: center;
    background-color: #333;
    padding-top: 4px;
    padding-bottom: 4px;
    font-size: 14px;
}
a.menuBtn {
    display: inline-block;
    text-align: center;
    text-decoration: none;
    margin-left: 20px;
    margin-right: 20px;
    color: white;
    opacity: 0.7;
    transition: 0.25s;
}
a.menuBtn:hover {
    opacity: 1;
    transition: 0.25s;
}
/* --------------- VZHLED STRÁNKY --------------- */
/* --------------- TEST ------------------------- */

.test {
    display: block;
    color: white;
    text-align: center;
    background-color: rgba(0,0,0,0.75);
    height: auto;
    padding-top: 1px;
}

#question {
    font-size: 13px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    line-height: 1.5;
}

.window_question {
    background-color: none;
}

.test h1 {
    margin-top: 60px;
    margin-bottom: 20px;
    font-size: 24px;
    text-align: center;
}
.test p {
    margin-top: 20px;
    margin-bottom: 20px;
    font-size: 16px;
}

#myRange {
    text-align: center;
    -webkit-appearance: none;
    appearance: none;
    width: 50%;
    cursor: pointer;
    outline: none;
    border-radius: 15px;
    height: 20px;
    background: #ccc;
    margin-top: 30px;
}
#myRange::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 15px; 
    background: red;
    cursor: pointer;
}

#nextBtn {
    width: 100px;
    height: 25px;
    margin-bottom: 25px;
}

/* --------------- VZHLED STRÁNKY --------------- */
/* --------------- FOOTER ----------------------- */

.footer {
    text-align: center;
    background-color: #333;
    color: white;
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 60px;
}

.footer p{
    font-size: 13px;
    margin-top: 20px;
    margin-bottom: 5px;
}