.mab__list{
    position: absolute;
    top: 15%;
    right: 0;
    padding: 5px 0;
    background-color: rgb(255, 255, 255);
    border-radius: 5px;
    margin-right: 2%;
    border: 2px solid green;
    display: none;

}
.mab__list--visible{
    display: initial;
}
.mab__list a{
    justify-content: flex-start;
    float: left;
    padding: 5px;
    text-decoration: none;
    color: black;
    font-size: 20px;
}
.mab__list a:hover{
    color: green;
    font-weight: bolder;
    text-shadow: white;
}
.topnav h5{
    text-align: right;
}
    .btnnav{
        background-color: transparent;
        padding: 5px;
        color: white;
  
    }
    h5 a{
        text-decoration: none;
        color: white;
        font-family: monospace;
        margin-right: 2%;
    }
    .btnnav:hover{
        background-color: orangered;
        color:white;
    }
    .btnb{
        border: 0;
        margin-right: 2%;
    }