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

body {
    background: #F4F5FF;
}

.container {
    height: 100vh;
}

.principal {
    display: flex;
    justify-content: center;
    align-items: center;
    justify-content: space-around;
    height: 100vh;
    border: 2px solid black;
}

.caja {
    background: #e2fdf4;
    padding: 15px;
    border: 2px solid #bdfae6;
    border-radius: 6px;
    width: 150px;
    height: 150px;
    border-radius: 10px;
    text-align: center;
}

.caja a {
    text-decoration: none;
    color: #0c92ac;
    font-weight: bold;
}