.headerClass {
    text-align: center; 
    margin-bottom: 15px; 
    background-image: linear-gradient(rgba(1,1,1,1), rgba(1,1,1,0)), url('../images/bg.jpg'); 
    padding-bottom: 15px; 
    padding-top: 20px; 
    margin-top: 0px; 
    background-repeat: no-repeat; 
    background-position: center; 
    background-size: cover;
    height: 20vh;
    align-items: center;
    justify-content: space-around;
    display: flex;
    color: white;
}
.footer {
    text-align: center; 
    padding: 8px; 
    margin-top: 2px; 
    background-image: linear-gradient(rgba(0,0,0,.89),rgba(0,0,0,1)) ,url('../../static/images/bg.jpg'); 
    color: white; 
    padding-bottom: 20px; 
    background-repeat: no-repeat; 
    background-position: center; 
    background-size: cover; 
    font-family: 'times new romans';
    align-items: center;
    justify-content: space-around;
    display: flex;
    height: 20vh;
}
body{
    width: 100%;
}

/* Style the menu */
.menu {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: #111;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
}

/* Menu links */
.menu a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: #b1adad;
    display: block;
    transition: 0.3s;
}

/* On hover, change the color of links */
.menu a:hover {
    color: #f1f1f1;
}

/* The close button */
.menu .close-btn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}

/* Style the main content */
#main {
    transition: margin-left .5s;
    padding: 16px;
}

.btn-menu{
    background-color: rgb(30, 43, 38);
    margin: 3px;
}

.selected{
    background-color: rgba(8, 214, 108, 0.721);
    margin: 3px;
}