*{
    margin: 0;
    padding: 0;
    font-family: 'Dosis', sans-serif;
}

header{
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url(img/fond-img-3.jpg);
    background-position: center;
    height: 100vh;
    background-size: cover;
}
.hero{
    top: 50%;
    left: 50%;
    position: absolute;
    color: #fff;
    text-align: center;
    transform: translate(-50%, -50%);
}
.para{
    font-size: 40px;
}
h1{
    font-size: 60px;
    letter-spacing: 15px;
}

hr{
    width: 50%;
    margin: 30px auto;
    border: 1.5px solid #fff;
}

p{
    font-size: 20px;
    margin-bottom: 30px;
}

#launch{
    font-size: 40px;
    word-spacing: 20px;
    /* color: aqua; */
}