.tools_block {
    background-color: rgba(255, 255, 255, 0.8);
    color: black;
    width: 80%;
    height: 80px;
    border-radius: 5px;
    display: flex;
    visibility: hidden;
    justify-content: space-evenly;
    z-index: 1;
    position: sticky;
    position: -webkit-sticky;
    top: 80%;
    align-items: center;
    margin-top: -80px;
    border: 2px solid gray;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.tools_block_visible {
    visibility: visible;
}

.empty_place_for_panel {
    height: 100px;
}

@media only screen and (max-width: 1370px) {
    .tools_block {
        left: 10%;
        width: 90%;
    }
}

.scroll_sector {
    height: 76px;
    width: 150px;
    padding-left: 30px;
    padding-right: 30px;
}

.chords_sector {
    height: 76px;
    width: 150px;
    padding-left: 30px;
    padding-right: 30px;
}

.font_sector {
    height: 76px;
    width: 150px;
    padding-left: 30px;
    padding-right: 30px;
}

.tools_title {
    text-align: center;
    padding: 18px;
}

.tools_title a {
    text-decoration: none;
    color: black;
}

.tools_buttons {
    display: flex;
    justify-content: space-around;
    border: 2px solid gray;
    padding: 12px;
    border-radius: 5px;
    margin: 5px;
}

.tools_buttons>a {
    text-decoration: none;
    color: black;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    
}

.tools_buttons img {
    margin: 5px;
}

.tools_autoscroll_play {
    height: 20px;
    width: 20px;
    border-radius: 50%;
}

.tools_autoscroll_stop {
    height: 20px;
    width: 20px;
    border-radius: 50%;
}

.divider {
    border: 1px solid white;
    height: 54px;
    margin: 10px;
    display: table-cell;
}

.font_size_plus {
    height: 30px;
    width: 30px;
    border-radius: 50%;
}

.font_size_minus {
    height: 30px;
    width: 30px;
    border-radius: 50%;
}