.intro {
    background-color: rgba(255, 255, 255, 0.3);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);

    -webkit-box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
    -moz-box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
    box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
}

.glass {
    /* From https://css.glass */
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}