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

:root{
    --primary: #bcddec;
    --secondary: #3e4cac;
    --terzo: rgb(104, 134, 244);
    --warning: rgb(255, 232, 138);
    --bg: rgb(241, 241, 241);
    --bg-menu: rgb(238, 238, 238);
    --title-text: #3e4cac;
    --warning: #ffe88a;
    --text: #636363;
    --green: green;
}

html, body{
    font-family: "Poppins", sans-serif;
}

/* utils */
.container{
    margin: 0 auto;
    max-width: 1099px;
}

h1, h2, h3, h4 {
    color: var(--secondary);
}

a{
    text-decoration: none;
}

/* header */
header{
    background-color: var(--e-global-color-primary);
    background-image: url(https://btomail.it/blog/wp-content/uploads/2021/10/btomail-sfondo.png);
    background-position: bottom center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 20px;
}

header img{
    width: 300px;
    display: block;
    margin: 0 auto;
}

header > div{
    display: flex;
    justify-content: center;
    align-items: center;
}

header > div img{
    width: 400px;
}

@media (max-width: 769px) {
    header > div img {
        display: none;
    }

    header div {
        text-align: center;
    }
}

header p{
    color: var(--secondary);
    font-size: 16px;
}

/* card */
.row{
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.card{
    width: 32%;
}

.card img{
    width: 100%;
    display: block;
    margin: 0 auto;
}

.card p{
    color: gray;
    font-weight: 500;
    font-size: 18px;
    margin-bottom: 25px;
    margin-top: 20px;
}

.card .btn, .btn{
    text-decoration: none;
    padding: 6px 20px;
    background-color: var(--secondary);
    color: white;
    border-radius: 25px;
    transition: .3s ease;
    margin-bottom: 10px;
    display: inline-block;
}

.card .btn:hover, .btn:hover{
    background-color: var(--primary);
}

.card-body{
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
}

.card-body > div{
    background-color: #f5f5f5;
    padding: 10px;
    flex-grow: 1;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}

@media (max-width: 769px) {
    .card {
        width: 100%;
        margin-bottom: 20px;
    }
}

/* main */
main h2{
    margin-top: 20px;
    text-align: center;
}

/* footer */
footer{
    margin: 30px auto;
    padding: 20px;
}

footer i{
    font-size: 30px;
    color: var(--secondary);
}