* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container {
    width: 100%;
}

.div {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(4, 1fr);
    padding-top: 100px;
    max-width: 900px;
    margin: auto;
}

.item {
    width: 100%;
    height: 200px;
    border: black 5px solid;
    background-color: white;
}

.colors {
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: fixed;
    margin-left: 15px;
    margin-top: 15px;
    padding: 15px;
    border: 5px solid #ccc;
}

.color_red {
    width: 50px;
    height: 50px;
    cursor: pointer;
    border: 2px solid black;
    background: red;
}

.color_yellow {
    width: 50px;
    height: 50px;
    cursor: pointer;
    border: 2px solid black;
    background: yellow;
}

.color_blue {
    width: 50px;
    height: 50px;
    cursor: pointer;
    border: 2px solid black;
    background: blue;
}

.color_black {
    width: 50px;
    height: 50px;
    cursor: pointer;
    border: 2px solid black;
    background: black;
}

.clear {
    width: 50px;
    height: 50px;
    padding: 5px;
    cursor: pointer;
    background: #fff;
    border: 2px solid black;
}