.toggle-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 1px solid #ccc;
    background-color: #f7f7f7;
    color: #555;
    font-size: 21px;
    line-height: 1;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 8px;
    padding: 0;
    transition: all 0.2s ease;
    vertical-align: middle;
    position: relative;
    top: -2px;
}
.toggle-button:hover {
    background-color: #e7e7e7;
}
.toggle-button-content {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
    margin-top: -4px;
}