body, html {
    height: 100%;
    margin: 0;
    font: 400 15px/1.8 "Lato", sans-serif;
    color: #777;
}
.text-oops { color: lightcoral }
.bg {
    background-image: url("../img/background.png");
    height: 100%;
    position: relative;
    filter: brightness(12%);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.caption {
    text-align: center;
    color: #000;
}
h3, h4 {
    color: #ccc;
    letter-spacing: 5px;
    text-transform: uppercase;
}
h3 {
    font: 4rem "Lato", sans-serif;
}
h4 {
    font: 2.6rem "Lato", sans-serif;
}
.content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}
.flex-container {
    display: flex;
    justify-content: center;
    align-items: center;
}
.p3 {
    padding:3rem;
}