style.css

body{
    margin: 0;
    font-family: 'Inter', sans-serif;
    height: 100%;
    background: linear-gradient(to right, rgb(238, 226, 228), rgb(221, 44, 80));
}

.container{
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* heading part css*/
.box{
    padding: 20px;
    text-align: center;
}
.box h1{
    padding: 10px;
    text-transform: uppercase;
    mix-blend-mode: overlay;
    box-shadow: 0 5px 5px rgba(0, 0, 0, 0.5);
    background: rgba(0, 0, 0, 0.1);
}

/* section css */
.small-container{
    padding: 20px;
    width: 50%;
    text-align: center;
}

input[type="color"] {
    padding: 0;
    border: none;    
    border-radius: 10px;
    width: 20px;
    height: 20px;
    outline: none;    
}
input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 10px;
}
input[type="color"]::-webkit-color-swatch-wrapper {
    border: none;
    border-radius: 10px;
    padding: 0;
}

.small-container button{
    border: none;
    outline: none;
    background: transparent;
}

/* all images inside the container (3 images)*/
.container img{
    height: 20px;
    width:20px;
}

/* footer */
.footer{
    width: 100%;
    padding-bottom: 30px;
    position: absolute;
    left: 0;
    bottom: 0;
    text-align: center;
}
.footer img{
    margin-bottom: -5px;
}
.footer a{
    font-weight: 600;
    text-decoration: none;
    color: rgb(0, 0, 0);
}