test/style.css

:root {
    --red: #f00;
    --green: rgb(39, 177, 39);
    --blue: #00f;
    --yellow: rgb(255, 238, 0);
    --brown: rgb(66, 26, 20);
    --orange: rgb(255, 102, 0);
    --white: #fff;
    --black: #000;
}

body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    /* background-color: #000; */
}

.mother {
    /* border: solid; */
    height: 90%;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
}

button {
    width: 35px;
    height: 35px;
    border-radius: 40%;
}

.row {
    border: solid;
    display: flex;
    flex-direction: row;
    height: 15%;
    width: 90%;
    justify-content: space-evenly;
    margin-left: 5%;
}

.choice {
    /* border: solid; */
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    /* padding: 3px; */
    width: 60%;
    margin: auto 20px;
}

.results {
    /* border: solid; */
    display: grid;
    grid-template-columns: auto auto;
    grid-gap: 10%;
    margin: auto;
}

.results button {
    /* padding: 25%; */
}

.palette {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.palette div {
    width: 100%;
    height: 20%;
}

.red {
    background-color: var(--red);
}

.blue {
    background-color: var(--blue);
}

.yellow {
    background-color: var(--yellow);
}

.orange {
    background-color: var(--orange);
}

.green {
    background-color: var(--green);
}

.brown {
    background-color: var(--brown);
}

#check {
    width: 96%;
    height: 5%;
    position: absolute;
    bottom: 5px;
    left: 2%;
    border-radius: 30px;
}

.disabledbutton {
    pointer-events: none;
    opacity: 0.4;
}