header{
    background-color: #f0f0f0;
    width: 100%;
    position: fixed;
    flex-wrap: wrap;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 200px;
    border-radius: 20px;
}
.logo{
    color: #3a6cf4;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 1.8em;
}
.nav a{
    color: #3a6cf4;
    font-size: 1.1em;
    font-weight: 700;
    padding-left: 40px;
}
.nav a:hover{
    color: red;
}
.main{
    padding:100px 200px ;
    background-image: url(0_hero.webp);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.btn{
    color: #fff;
    background-color: #3a6cf4;
    font-size:1.1em;
    font-weight: 600;
    padding: 0.9em 2em;
    border-radius: 30px;
}
.btn:hover{
    background-color: #033758;
}
.title{
    font-family:Arial, Helvetica, sans-serif;
    display: flex;
    justify-content: center;
    color: #3a6cf4;
    font-size: 2.3em;
    font-weight: 900;
    margin-top: 100px;
    margin-bottom: 50px;
}
.container{
    display: flex;
    justify-content: space-around;
}
.card{
    background-color: #fff;
    box-shadow: 0px 5px 25px black;
    min-width: 100px;
    border-radius: 50px;
    text-align: center;
    padding: 25px;
    margin: 10px;
    transition: 1s;
}
.card:hover{
    background-color: #537ced;
    color: white;
    transform: scale(1.2 , 1.2);
}