html, body {
    margin: 10px;
    padding: 0px;
    box-sizing: border-box;
}

div {
    margin-left: 15px;
    margin-top: 20px;
    float: left;
    width: 18%;
    height: 100px;
}

.uno {
    background-color: red;
    position: relative;
}

.dos {
    background-color: blue;
    position: relative;
}

.tres {
    background-color: green;
    position: relative;
}

.cuatro {
    background-color: yellow;
    position: relative;
}

.cinco {
    background-color: purple;
    position: relative;
}

.fixed {
    position: fixed;
    width: 50%;
    height: 500px;
    background-color: rgba(0, 0, 0, 0.467);
    top: 20%;
    left: 22%;
    color:white;
}