/*main {
    max-width: 1080px;
    margin: 0 auto;
    font-size: 16px;
}*/

.menu {
    position: relative;
    margin: 0 auto 0 auto;
    background-color: #ffffff;
    width: 180px;
    border-radius: 15px;
    transition: 0.3s border-radius ease-in-out, 0.3s height ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.menu--closed {
    height: 145px;
}

.menu--open {
    height: 1900px;
}

.button {
    transition: 0.3s transform ease-in-out, 0.3s opacity ease-in-out;
    cursor: pointer;
    position: absolute;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    width: 5em;
    height: 4em;
    left: 55px;
    top: 45px;
    opacity: 1;
}

    .button:hover {
        opacity: 0.6;
    }

    .button span {
        width: 100%;
        height: 8px;
        background-color: #161616;
       
    }

.menu--open .button {
    transform-origin: center;
    transform: rotate(90deg);
}

.tools {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
    /*height: 100%;*/
    justify-content: space-between;
    transition: 0.3s margin ease-in-out;
}


    .tools .icon {
        transition: 0.2s transform ease-in-out;
    }

        .tools .icon:hover {
            transform: scale(0.8);
        }

.tools--hidden {
    margin-top: 100px;
    z-index: -100;
}

.tools--visible {
    margin-top: 40%;
    z-index: 100;
}