.main-title {
    margin-top: 0px;
}

  



.header  {
    color:aliceblue;
    font-size: 20px;
    background:url(../img/bg.jpg) no-repeat;
    background-size: cover;
}

.main-table {
background: #473e3f;
}

.btn btn-danger {
    margin-top: 10px;
}