style.css

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

body,
button,
input,
textarea {
    font-family: "Poppins", sans-serif;
    color: #1a1d23;
}

header {
    min-height: 64px;
    background-color: #382f76;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 8px 10%;
}

header a {
    color: #fff;
    padding: 8px 16px;
}

section {
    padding: 36px 15%;
}

.title {
    color: #382f76;
}

.green-background {
    background-color: rgba(149, 193, 171, 0.3);
}

#presentation {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-wrap: wrap;
}

#presentation img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: #382f76 solid 5px;
    margin-right: 24px;
}

#presentation div {
    flex: 1;
}

h1 {
    font-size: 32px;
}

section h2 {
    margin-bottom: 8px;
}

p {
    text-align: justify;
}

ul {
    padding-left: 24px;
}

form {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

fieldset {
    width: 100%;
    max-width: 700px;
    border: none;
}

.input-container label {
    font-size: 16px;
    font-weight: 600;
    color: #382f76;
    margin-bottom: 8px;
}

.input-container .input {
    width: 100%;
    background: #f0f0f5;
    border: 0;
    border-radius: 8px;
    padding: 16px 24px;
    margin-bottom: 16px;
    font-size: 16px;
}

textarea.input {
    min-height: 100px;
    resize: vertical;
}

button {
    background-color: #382f76;
    border-radius: 8px;
    border: none;
    padding: 16px 54px;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

footer {
    color: #fff;
    background: #382f76;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 16px 10%;
}

footer p {
    padding: 16px 0;
}

footer div,
footer a {
    display: flex;
    align-items: center;
}

footer img {
    margin: 0 16px;
    height: 48px;
}

a,
button {
    transition: opacity 0.2s;
}

a:hover,
button:hover {
    opacity: 0.75;
}