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

body {
    min-height: 100vh;
    background-image: url('assets/dottor_marc_sfondo.png');
    background-repeat: no-repeat;
    background-size: cover;
}

#particles-js {
    position: absolute;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: linear-gradient(90deg, hsla(196, 100%, 28%, 1) 0%, hsla(206, 100%, 17%, 1) 100%);
    background: -moz-linear-gradient(90deg, hsla(196, 100%, 28%, 1) 0%, hsla(206, 100%, 17%, 1) 100%);
    background: -webkit-linear-gradient(90deg, hsla(196, 100%, 28%, 1) 0%, hsla(206, 100%, 17%, 1) 100%);
}

/* ********************** HEADER ********************** */
header {
    /* height: 20vh; */
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 50px 0;
}

header .img-container {
    height: 100%;
    margin: auto;
    display: flex;
    padding: 0 80px;
    /* min-width: 250px; */
    max-width: 500px;
}

header .img-container img {
    width: 100%;
    height: auto;
    margin: auto;
    filter: saturate(0%) contrast(100%) brightness(500%);
}

/* ********************** MAIN ********************** */
main {
    /* height: 70vh; */
}

#container {
    height: 100%;
    padding: 0 30px;
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    max-height: 500px;
    min-width: 250px;
    max-width: 650px;
}

.message-wrapper {
    padding: 20px;
    margin: auto;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    box-shadow: 0 5px 26px 0px rgb(0 0 0 / 22%), 0 20px 28px 0px rgb(0 0 0 / 30%);
}

.row .col .btn {
    width: 100%;
    height: 100%;
}