* {

    box-sizing: border-box;

    padding: 0px;

    margin: 0px;

}

header{
    height:100px;
    background-color: aqua;
}
h1{
    font-size: large;
    color: black;
}

h2{
    padding-top: 10px;
    color: black;
}

.breadcrumb{
    display:flex;
    border-radius: 15px;
    margin:auto;
    text-align: center;
    height: 40px;
    overflow: hidden;
}
ul.breadcrumb {
    background-color:aqua;
    list-style-type: none;
    padding: 10px 16px;
    justify-content: space-around;
}

ul.breadcrumb li {
    display: inline-block;
    font-size: 18px;
}

ul.breadcrumb li+li:before {
    padding: 8px;
    color: white;
    content: "/\00a0";

}

ul.breadcrumb li a {
    color: #0275d8;
    text-decoration: none;
}

ul.breadcrumb li a:hover {
    color: #01447e;
    text-decoration:double;
}
a:visited{
    background-color:white ;
    color: blue;
    font-size: large;
}