body {
    margin: 0px;
    padding: 0px;
    direction: rtl;
    text-align: center;
    box-sizing: content-box;
    box-sizing: border-box;
	background-color: #F9F9F9;
}

hr {
    background-color: darkcyan;
    padding: 1px;
    margin-bottom: 12px;
}

img {
    width: 100%;
    height: auto;
}

.box {
    border-radius: 20px;
}

.box1 {
    width: 100%;
	height: audio;
	padding: 0px;
	margin: 0px;
}

.box2 {
    border-radius: 20px;
    width: 100%;
}

#img1 {
    border: 2px darkslategray solid;
    border-radius: 20px;
}

a {
    text-decoration: none;
}

audio {
    width: 95%;
    border: 2px darkslategrey solid;
    border-radius: 27.5px;
}

video {
    width: 95%;
    height: auto;
    border: 2px darkslategrey solid;
    border-radius: 20px;
}

#myBtn {
    display: none;
    position: fixed;
    bottom: 10px;
    right: 10px;
    z-index: 99;
    border: 2px darkslategray solid;
    outline: none;
    background-color: crimson;
    color: azure;
    cursor: pointer;
    padding: 10px;
    border-radius: 10px;
    font-size: 20px;
}

#myBtn:hover {
    background-color: #555;
}