.tool_a {
    border: 1px solid #d7deea;
    padding: 0.75rem;
    margin-top: 0.75rem;
    border-radius: 3px;
}

.night .tool_a{
    border: 1px solid #374151;
}

.tool_a button{
    width: 100%;
    padding: 0.4rem 0;
    border: 1px solid #15b877;
    background-color: #15b877;
    color: #fff;
    border-radius: 3px;
    cursor: pointer;
}