span.text-alert {
    color: red;
    font-size: 17px;
    width: 100%;
    text-align: center;
}
h1.infot {
    text-align: center;
    color: cornflowerblue;
    background: moccasin;
}
#wrapper {
    width: 1000px;
    height: 500px;
    background: #141414;
    margin: 50px auto;
    display: flex;
}
.center {
    width: 50%;
    height: 50%;
    background: #f6f5f7;
    margin: 5px auto;
}