* {
    border: 1px solid red !important;
}
@media only screen and (min-width: 500px) {
    p {
    display: none;
    }
}
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}
.grid {
    margin: 0 auto;
    max-width: 1200px;
    width: 100%;
}

.row {
    width: 100%;
    margin-bottom: 20px;
    display: flex;
}
.row {
    width: 100%;
}
.col-1 {
    width: 8.33%
}
.col-2 {
    width: 16.66%
}
.col-3 {
    width: 25%
}
.col-4 {
    width: 33.33%;
}
.col-5 {
    width: 41.66%
}
.col-6 {
    width: 50%;
}

.col-7 {
    width: 58.33%;
}

.col-8 {
    width: 66.66%;
}

.col-9 {
    width: 75%;
}

.col-10 {
    width: 83.33%;
}

.col-11 {
    width: 91.66%;
}

.col-12 {
    width: 100%;
}
.title {
    background-color: green;
    text-align: center;
}
>subheading {
    background-color: yellow;
    text-align: center;
}