menu {
    min-width: 100%;
    display: flex;
    flex-flow: row nowrap;
    justify-content: start;
    padding: 5px 5%;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    top: 0px;
    left: 0px;
    z-index: 1;
    background-color: rgba(20,20,20,1);
}
.logo {
    flex: 1;
    flex-grow: 1;
    max-width: 25%;
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
}
.logo_img {
    max-height: 50px;
}