A neutral CSS template to use on landing pages for Upsell by Email

UbE-neutral-page.css

html {
    font-family: "Helvetica Neue", Arial, sans-serif;
}

.flex-spacer {
    flex: 1;
}

.content {
    min-width: 700px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.header {
    display: flex;
    justify-content: center;
    background-color: #a0a0a0;
    padding: 15px 0;
}

.shop-name {
    color: white;
    font-size: 24px;
    padding: 1rem 0;
}

.sticky-footer {
    background-color: white;
    position: -webkit-sticky;
    position: sticky;
    width: 100%;
    padding-top: 1rem;
    bottom: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.footer {
    padding-top: 1rem;
}

.title {
    margin-top: 3rem;
    font-size: 2.25rem;
    font-weight: 400;
    text-align: center;
}

.message {
    text-align: center;
    font-size: 1.25rem;
    margin: 20px 0 50px;
}

input[type=submit],
button {
    text-transform: uppercase;
    color: white;
    border: none;
    border-radius: 2px;
    cursor: pointer;

}
input[type=submit] {
    margin-bottom: .5rem;
}

hr {
    height: 1px;
    border: 0;
    border-top: 2px solid #f0f0f0;
    margin: 20px 0;
    padding: 0;
}

.side-products {
    margin-bottom: 15px;
}

.one-col{/**/}
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 15px;
}
.three-col {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-gap: 15px;
}
.four-col {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-gap: 15px;
}

/* Card */
.card {
    display: grid;
    grid-gap: 15px;
    grid-template-rows: 1fr auto;
    grid-template-columns: auto 1fr;
    grid-template-areas:
        "image info"
        "image actions";
    border: #f0f0f0 solid 2px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    align-items: start;
    margin: 15px 0;
    padding: 30px;
}
.one-col .card {
    grid-template-rows: none;
    grid-template-columns: auto 1fr auto ;
    grid-template-areas:
            "image info actions";
    align-items: center;
}
.two-col .card {
    margin: 0;
}
.three-col .card,
.four-col .card {
    grid-template-rows: 1fr auto auto;
    grid-template-columns: 1fr ;
    grid-template-areas:
            "image"
            "info"
            "actions";
    align-items: center;
    margin: 0;
}


/* Card Image */
.card-image {
    grid-area: image;
    object-fit: contain;
    align-self: center;
    justify-self: center;
    width: 200px;
    height: 200px;
}
.one-col .card-image {
    width: 100px;
    height: 100px;
}
.two-col .card-image {
    width: 100px;
    height: 100px;
}
.three-col .card-image {
    width: 150px;
    height: 150px;
}
.four-col .card-image {
    width: 150px;
    height: 150px;
}


/*  Card Information */
.card-info {
    grid-area: info;
}
.card-info--title,
.card-info--price {
    text-transform: uppercase;
    font-size: 1.75rem;
    font-weight: 700;
}
.card-info--price {
    color: #a0a0a0;
}

.side-products .card-info--title,
.side-products .card-info--price{
    font-size: 1.25rem;
}

.three-col .card-info--price,
.four-col .card-info--price {
    margin-bottom: 0;
}

/* Card Actions */
.card-actions {
    grid-area: actions;
    display: flex;
    justify-self: end;
    align-content: end;
    align-self: end;
    height: 3.6rem;
 }
.one-col .card-actions {
    align-items: stretch;
    align-self: center;
    height: 2.5rem;
}
.two-col .card-actions,
.three-col .card-actions,
.four-col .card-actions {
    height: 2.5rem;
    width: 100%;
}

.card-actions--add-btn {
    text-transform: uppercase;
    background-color: #a0a0a0;
    flex: 2;
    width: 12rem;
    font-size: 1.6rem;
    padding: 0.5rem 0;
}
.one-col .card-actions--add-btn {
    font-size: 1.15rem;
    padding: 0.25rem 2rem;
}
.two-col .card-actions--add-btn,
.three-col .card-actions--add-btn,
.four-col .card-actions--add-btn {
    font-size: 1rem;
    padding: 0.25rem 0;
    width: auto;
    flex: 1;
}

.card-actions--add-btn.added {
    background-color: #a0a0a0
}
.card-actions--add-btn.alert {
    background-color: rgb(83, 28, 16);
}


.total {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas: "label value";
}
.total-label--title {
    font-size: 2rem;
}
.total-label--subtitle {
    color: rgb(132, 132, 132);
    font-size: .75rem;
}
.total-value {
    display: flex;
    align-items: center;
    justify-self: end;
    align-self: center;
}
.total-value--currency {
    color: rgb(132, 132, 132);
    margin-right: 8px;
}
.total-value--amount {
    font-size: 1.75rem;
}

form {
    text-align: right;
}

.submit-btn {
    background-color: #a0a0a0;
    font-size: 1.5rem;
    padding: 0.75rem 2rem;
    font-weight: 400;
}

.expiration-date {
    text-align: right;
    padding-bottom: 1.5rem;
}

/*
-------------------------
Confirmation/Receipt Page
-------------------------
 */
.receipt-msg {
    margin-top: 3rem;
    margin-bottom: .5rem;
    text-align: center;
    background-color: #f2f2f2;
    font-size: 1.5rem;
    padding: .5rem;
}

.row {
    display: grid;
    width: 100%;
    justify-items: left;
    align-items: center;
    grid-template-columns: 100px 1fr 120px;
    grid-template-areas: "image info total";
    padding: .5rem .25rem;
    border-top: 1px solid #ededed;
}
.row:first-child {
    border-top: none;
}
.row:last-child {
    border-bottom: 1px solid #e0e0e0;
}
.row-image {
    grid-area: image;
    object-fit: contain;
    align-self: center;
    justify-self: center;
    width: 90px;
    height: 90px;
}

.row-info *,
.row-total * {
    margin-bottom: .25rem;
    text-transform: uppercase;
    font-size: 1.25rem;
    font-weight: 700;
}

.row-info--price {
    color: #a0a0a0;
}


/*
---------------------------
Custom number input styling
---------------------------
 */
.number-input {
    border: 1px solid #e0e0e0;
    border-radius: 2px;
    display: flex;
    align-items: center;
    margin-right: 10px;
    justify-content: space-around;
}

/*.number-input,*/
.number-input * {
    box-sizing: border-box;
}

input[type=number] {
    -webkit-appearance: textfield;
    -moz-appearance: textfield;
    appearance: textfield;
    width: 3rem;
}
.three-col input[type=number],
.four-col input[type=number] {
    width: 1.75rem;
}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

.number-input button {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: transparent;
    border: none;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 100%;
    cursor: pointer;
    margin: 0;
    position: relative;
    flex: 1;
}
.three-col .number-input button,
.four-col .number-input button {
    width: 1.75rem;
}

/* draw the minus and plus */
.number-input button:before,
.number-input button:after {
    display: inline-block;
    position: absolute;
    content: '';
    width: .7rem;
    height: 2px;
    background-color: #212121;
    transform: translate(-50%, -50%);
}
.number-input button.plus:after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.number-input input[type=number] {
    padding: .5rem;
    border-width: 0;
    font-size: 1.1rem;
    font-weight: bold;
    text-align: center;
}
.side-products .number-input input[type=number] {
    font-size: .9rem;
}

@media (max-width: 700px) {
    .header {
        display: flex;
        justify-content: center;
        background-color: #a0a0a0
        padding: 15px 0;
    }

    .content {
        min-width: 0;
        width: 90%;
        margin: 0 auto;
    }

    .sticky-footer {
        padding-top: .75rem;
    }

    .logo {
        width: 150px;
        height: 60px;
    }

    .title {
        margin-top: 3rem;
        font-size: 1.75rem;
    }

    .message {
        font-size: 1rem;
        text-align: left;
    }

    .side-products {
        display: block;
    }

    .card {
        display: grid;
        grid-gap: 10px;
        grid-template-rows: 1fr auto auto;
        grid-template-columns: 1fr;
        grid-template-areas:
                "image"
                "info"
                "actions";
        align-items: start;
        margin: 15px 0;
        padding: 15px;
    }

    .side-products .card {
        grid-template-rows: auto auto;
        grid-template-columns: auto 1fr;
        grid-template-areas:
                "image info"
                "image actions";
        align-items: center;
        margin: 15px 0;
    }

    .card-image {
        height: auto;
        width: 100%;
    }

    .side-products .card-image {
        width: 80px;
        height: 80px;
    }

    .card-info {
        grid-area: info;
    }
    .card-info--title,
    .card-info--price {
        font-size: 1.75rem;
        margin-bottom: 0;
    }

    .side-products .card-info div {
        font-size: 1.25rem;
    }

    .card-actions {
        height: 2.7rem;
        width: 100%;
    }

    .card-actions--add-btn {
        text-transform: uppercase;
        background-color: #a0a0a0;
        flex: 2;
        width: auto;
        font-size: 1.25rem;
        padding: 0.5rem 0;
    }

    .number-input {
        flex: 1
    }

    .side-products .card-actions--add-btn {
        font-size: 1rem;
        padding: 0.25rem 0;
        width: auto;
        flex: 2;
    }

    input[type=number] {
        -webkit-appearance: textfield;
        -moz-appearance: textfield;
        appearance: textfield;
        width: 3rem;
    }

    .total-label--title {
        font-size: 1.4rem;
    }
    .total-label--subtitle {
        color: rgb(132, 132, 132);
        font-size: .75rem;
    }
    .total-value {
        display: flex;
        align-items: center;
        justify-self: end;
        align-self: center;
    }
    .total-value--currency {
        color: rgb(132, 132, 132);
        margin-right: 8px;
    }
    .total-value--amount {
        font-size: 1.5rem;
    }

    .submit-btn {
        margin-top: .5rem;
        width: 100%;
        font-size: 1.05rem;
        padding: .5rem 0;
    }

    .expiration-date {
        font-size: 1rem;
        padding-bottom: 1rem;
    }
}

.unsubscribe > form {
    text-align: center;
}