span {
    font-weight: bold;
}

iframe{
    display: block;
    margin: auto;
}

h1{
    text-align: center;
}

h2{
    text-align: center;
}

h6{
    text-align: center;
}

figure{
    text-align: center;
}

.menu{
    width: 100%;
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: rgba(54, 108, 117, 0.502);
    
}
li{
    float: inherit;
}
li>a{
    display: block;
    color:white;
    padding: 14px 16px;
    text-decoration: none;
    text-align: center;
    
    
}

li>a:hover {
    background-color: rgba(145, 230, 241, 0.502)
}

li:last-child{
    border-bottom: none;
}