body{
    background-image: url('background.webp');
    height: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
h1{
    color: black;
    background-color: rgba(241, 234, 234, 0.5);
    text-align: center;
}
table{
    margin-left: auto;
    margin-right: auto;
}
.jih{
    background-image: url('kontinenty/amerika.jpg');
    background-position: center;
    background-repeat: no-repeat;
}
.sever{
    background-image: url('kontinenty/amerika1.webp');
}
.asie{
    background-image: url('kontinenty/asie.jpg');
}
.evropa{
    background-image: url('kontinenty/evropa.jpg');
}
.afrika{
    background-image: url('kontinenty/afrika.jpg');
}
.australie{
    background-image: url('kontinenty/australie.jpg');
}
p{
    color: black;
    background-color: rgba(241, 234, 234, 0.7);
    text-align: center;
    font-size: 130%;
}
.obrazky{
    display: block;
    margin-left: auto;
    margin-right: auto;
    height: 400px;
}