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

body {
    font-size: 14px;
    font-family: sans-serif;
}

nav {
    height: 30px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: #3a1a86;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 20px 3px 9px rgb(0 0 0 / 30%);
}

header {
    height: 100px;
    background: #5d30bf;
    margin-top: 30px;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.card {
    padding: 1rem;
    border-radius: 5px;
    border: 1px solid #eee;
    box-shadow: 2px 2px 7px rgb(0 0 0 / 30%);
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.2rem;
    text-transform: capitalize;
}