/* Eric Meyer’s Reset CSS */
* {
    margin: 0;
    padding: 0;
    border: 0;
    font-family: inherit;
    font-size: 100%;
    vertical-align: baseline;
}
html {
    line-height: 1;
}
body {
    background: white;
    font-family: sans-serif;
    font-family: Arial, sans-serif;
}
h1 {
    color: #007BFF;
}

.back {
    width: 100%;
    height: 80vh;
    background-size: cover;
    background-position:top center;
    /* opacity: 0; */
    background-repeat: no-repeat;
    /* transition: opacity 1s ease-in-out;  */
    background-attachment: fixed;
}
.back1{
    background-image: url(../img/01back.jpeg);
}
.back2{
    background-image: url(../img/02back.jpg);
}
.back3{
    background-image: url(../img/03back.jpg);
}
.back4{
    background-image: url(../img/04back.jpeg);
}
.back5{
    background-image: url(../img/05back.jpeg);
}

.content{
    display: flex;
    color: white;
    width: 100%;
    height: 10vh;
    margin: 0 auto;
    text-align: justify;
    align-items: center;
    justify-content: center;
    /* flex-direction: column; */
    background-color: rgb(31, 30, 30);
}

.content:first-child{
    height: auto;
}

a{  
   /* position: absolute; */
    display: block;
    /* flex-grow:1; */
    float: left;
    width: 15%;
    height: 10vh;
    background-color:#50505169;
    text-align: center;
    line-height: 10vh;
    width: 100%;
    text-decoration: none;
    color: white;
}

a:hover{
    background-color: #669cd6;
    /* color: #007BFF; */
}

.nav:nth-last-child{
    display: block;
    float: left;
    width: 15%;
    height: 10vh;
    background-color:#50505169;
    text-align: center;
    line-height: 10vh;
}

audio{
    position: absolute;
    top: 100px;
    width: 500px;
    height: 300px;
    background-color: pink;
}