.banner{
    background:url("https://static1.makeuseofimages.com/wordpress/wp-content/uploads/2018/11/dark-wallpapers.jpg") no-repeat center center;
    background-size: cover;
    padding-top: 20%;
    padding-bottom: 20%;
    color: #fff;

}

.lingkaran{
    display:inline-block;
    border-radius: 50%;
    width: 150px;
    margin:auto;
    height: 150px;
    color: #fff;
    border-style: solid;
    /* border-color: #0d6efd; */
    border-color: black;
    background-color: #0d6efd;
    font-size: 48pt;
    padding-top: 15px;

}
.lingkaran:hover{
    border-color: #0d6efd;
}
.lingkaran i{
    margin: auto;
}
a{
    text-decoration: none;
    color: black;
    
}