genre_acoustic_page.css

#myBtn {
    display: none;
    /* Hidden by default */
    position: fixed;
    /* Fixed/sticky position */
    bottom: 20px;
    /* Place the button at the bottom of the page */
    right: 30px;
    /* Place the button 30px from the right */
    z-index: 99;
    /* Make sure it does not overlap */
    border: none;
    /* Remove borders */
    outline: none;
    /* Remove outline */
    background-color: #f44336;
    /* Set a background color */
    color: white;
    /* Text color */
    cursor: pointer;
    /* Add a mouse pointer on hover */
    padding: 15px;
    /* Some padding */
    border-radius: 10px;
    /* Rounded corners */
    font-size: 18px;
    /* Increase font size */
}

#myBtn:hover {
    background-color: #555;
    /* Add a dark-grey background on hover */
}

h1 {
    color: white;
    height: 800px;
    font-size: 350px;
    text-align: center;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    margin: 0;
}

#txtvideo {
    width: 80%;
    margin: auto;
    text-align: center;
}

body,
html {
    margin: 0!important;
}

div.body1 {
    width: 100%;
    position: fixed;
    z-index: -999;
    background-image: url('https://images.unsplash.com/photo-1462965326201-d02e4f455804?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
    filter: blur(8px);
    -webkit-filter: blur(8px);
    background-position: center;
    height: 100%;
}

.button {
    position: relative;
    width: 40%;
    display: inline-block;
}

.button-fixed {
    position: fixed;
    top: 15px;
    left: 15px;
    width: 20%;
    z-index: 99;
}

div.videothumbnail {
    margin: 5px;
    width: 360px;
    height: 320px;
    display: inline-block;
    position: relative;
}

div.videothumbnail:hover {
    transform: scale(1.03);
}

div.videothumbnail img {
    width: 100%;
    height: auto;
    padding: 0;
    border: 0;
}

span.desc {
    text-align: center;
    margin: auto;
    display: table;
    color: white;
}

.vungChon:hover {
    cursor: pointer;
}


/* css cua modal  */

body {
    margin: 2rem;
}

.modal-dialog {
    max-width: 800px;
    margin: 30px auto;
}

.modal-body {
    position: relative;
    padding: 0px;
}

.close {
    position: absolute;
    right: -30px;
    top: 0;
    z-index: 999;
    font-size: 5rem;
    font-weight: normal;
    color: white;
    opacity: 1;
}