h1{
    text-align: center;
    font-size: 50px;    
}
img{
    margin-left: 40px;
    margin-right: 40px;
}
.tribe{
    margin-left: 100px;
    text-align: justify;
    margin-top: 100px;
    margin-right: 100px;
}
.btn-primary{
    color:#fff;
    background-color:#0d6efd;
    border-color:#0d6efd
}
.btn{
    pointer-events:none;
    filter:none;
    opacity:.65
}
span{
    color: red;
    font-size: 20px;
}