.tool {
    display: flex;
    background: white;
    border-radius: 10px;
    overflow: hidden;
}
.tool > * {
    width: 50%;
}
.tool > .panel {
    padding: 20px;
    border-right: 1px #ececec solid;
}
.tool > .panel .item {
    margin: 0 0 10px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}
.tool > .panel .item > * {
    box-sizing: border-box;
}
.tool > .panel > .second-layer {
    border-left: 4px #ececec solid;
    padding-left: 10px;
}
.tool > .panel .item > .selecter > button {
    outline: none;
    border: none;
    padding: 7px 12px;
    cursor: pointer;
}
.tool > .panel .item > .selecter {
    width: calc(100% - 70px);
}
.tool > .panel .item > .selecter > input[type="color"] {
    border: none;
    outline: none;
    padding: 0;
    margin: 0;
    background: transparent;
    border-radius: 30px;
    width: 50px;
}
.tool > .panel .item > .selecter > input[type="text"] {
    border: none;
    outline: none;
    padding: 7px 12px;
    border-bottom: 1px #ececec solid;
    width: 100%;
}
.tool > .panel > .item > .selecter > button.focus {
    background: #0080ff;
    color: white;
}
.tool > .panel .add {
    width: 16px;
    height: 16px;
    text-align: center;
    background: #0080ff;
    border-radius: 30px;
    color: #ffffff;
    font-size: 14px;
    line-height: 16px;
    cursor: pointer;
    user-select: none;
}
.tool > .view {
    padding: 20px;
}
.tool > .view > .defaultToDisplay {
    text-align: center;
    padding: 50px 0;
    color: #606060;
    line-height: 30px;
    user-select: none;
}
.copy {
    margin: 20px 0;
}
.copy-btn {
    padding: 7px 16px;
    background: #0080ff;
    border: none;
    outline: none;
    color: white;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
}