style.css

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

body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 16px;
    text-align: center;
    background-repeat: no-repeat;
    background-size: contain;
}

.title {
    color: rgb(154, 9, 146);
    font-size: 2.5rem;
    margin: 2% auto;
}

.color-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
    row-gap: 5vh;
    position: absolute;
    width: 97vw;
    margin-left: 2.7vw;


    /* grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr; */

}

.color-item {
    background-color: antiquewhite;
    border-radius: 5px;
    border: none;
    box-shadow: 0 0 10px gray;
    padding: 3vh 2vw;
    text-align: center;
    width: 200px;
}

.btn {
    background-color: rgba(34, 56, 78, 0.6);
    padding: 0.5rem 0.6rem;
    font-size: 1.6rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    }
    
    .btn:active {
        border: 2px transparent solid;
}