.bg-dark{
    background-image:url("img/e.jpeg");
    background-repeat:no-repeat;
    background-position: center;
    background-size: cover;
}
.a{
    border-width:5px;
    border-style:solid;
    border-color:black;
}
.b{
    text-align:center;
}
.c{
    background-color:#e0c9ab;
}
.f{
    color:yellow;
    text-align:center;
    margin:20px;
}
.z{
    margin:20px;
}
@media (min-width: 1200px){
.d{
    display:none;
}
}
@media (max-width: 1199px){
    .e{
        display:none;
    }
    .y{
        width:75%;
    }
}



/*.carousel-inner{
    height:500px;
}
.carousel-item{
    height:800px;
    width:500px;
}*/