.fheader {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    background-color: #01ba5c;
    text-align: center;
    height: 30px;
    padding-top: 10px;
    color: white;
}

.dropdown{
    display: inline-block;
}
.dropdown button{
    background-color: hsl(150, 99%, 42%);
    color: white;
    padding: 10px 15px;
    border: none;
    cursor: pointer;
}
.dropdown a{
    display: block;
    color: black;
    text-decoration: none;
    padding: 10px 15px;
}
.dropdown .content{
    display: none;
    position: absolute;
    background-color: hsl(150, 99%, 52%);
    min-width: 100px;
    box-shadow: 2px 2px 5px hsla(0, 0%, 0%, 0.8);
}
.dropdown:hover .content{
    display: block;
}
.dropdown:hover button{
    background-color: hsl(150, 99%, 27%);
}
.dropdown a:hover{
    background-color: hsl(150, 99%, 47%);
}