style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'poppins', sans-serif;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: #A271F8;
}

.wrapper {
    width: 450px;
    padding: 20px;
    background: #fff;
    border-radius: 7px;
}

.wrapper .gradient-box {
    width: 100%;
    height: 220px;
    border-radius: 5px;
    background: linear-gradient(to right, #5665E9, #A271F8);
}

.wrapper .row {
    display: flex;
    margin: 20px 0;
    justify-content: space-between;
}

.row :where(.column, button) {
    width: calc(100%/2 - 12px);
}

.options p {
    font-size: 1.12rem;
}

.options .select-box {
    border-radius: 5px;
    padding: 10px 15px;
    border: 1px solid #aaa;
}

.select-box select {
    width: 100%;
    border: none;
    outline: none;
    background: none;
    font-size: 1.12rem;
}

.options .colors {
    margin-left: 60px;
}

.colors input {
    height: 41px;
    width: calc(100%/2 - 20px);
}

.colors input:last-child {
    margin-left: 6px;
}

.wrapper textarea {
    width: 100%;
    padding: 10px 15px;
    color: #333;
    resize: none;
    font-size: 1.05rem;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.buttons button{
    padding: 15px 0;
    cursor: pointer;
    font-size: 1.09rem;
    border: none;
    outline: none;
    border-radius: 5px;
    color: #fff;
}

.buttons .refresh{
    background: #6c757d;
}

.buttons .copy{
    background: #A271F8;
}