nav{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 96%;
    position: relative;
    transition: transform 0.5s ease-in-out;
    background-color: rgb(142, 141, 141);
    text-align: center;
    border-radius: 8px;
}

button img{
    transition: opacity 0.4s ease-in-out;
    width: 100%;
    height: auto;
    &:nth-of-type(1){
        z-index: 1;
        opacity: 1;
        &:hover{
            opacity: 0;
        }
    }
}
nav button{
    width: 50px;
    height: 50px;
    background-color: rgb(142, 141, 141);
    border-radius: 10px;
    cursor: pointer;
    transition: left 0.5s ease-in-out;
}
nav > a{
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    transition-duration: 0.4s;
    color: white;
    font-size: 30px;
    text-decoration: none;
    border: 2px solid black;
    &:hover{
        border-color: white;
        color: black;
    }
}