main.css

html,
body {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    background-color: rgb(250, 250, 218);
}

.style-head {
    position: relative;
    width: 100%;
    height: auto;
    text-align: center;
    color: rgb(167, 64, 64);
}

#canva-container {
    position: relative;
    width: 100%;
    height: 70%;
}

#drawCanvas {
    background-color: white;
    margin: auto;
    display: block;
    left: 0px;
    right: 0px;
}

#colorp {
    position: relative;
    width: 80%;
    height: auto;
    display: block;
    margin: auto;
    left: 0px;
    right: 0px;
    top: 5%;
    border-radius: 3%;

}

.colors {
    position: relative;
    width: 30%;
    height: 10%;
    padding: 5px;
    display: inline;
}

.color-select {
    position: relative;
    cursor: pointer;
    display: inline-block;
    width: 15px;
    height: 15px;
    margin: 4px;
}