zulip/static/styles/billing.scss

.billing-upgrade-page {
    font-family: Source Sans Pro, Helvetica, Arial, sans-serif;
    background: #fafafa;
    height: 100vh;

    .hero {
        background: #69b190;
        color: #69b190;
        position: absolute;
        top: 0;
        width: 100%;
    }

    .small-hero {
        padding: 120px 50px 0;
    }

    .main {
        width: 800px;
        max-width: 90%;
        margin: 0 auto;
    }

    h1 {
        margin: 30px 0;
        font-weight: bold;
    }

    .nav {
        margin-bottom: 0;
    }

    .nav-tabs {
        border-bottom: 0;
        font-size: 1.2em;
        a {
            font-weight: bold;
        }
    }

    .tab-content {
        border: 1px solid #ddd;
        border-bottom-left-radius: 4px;
        border-bottom-right-radius: 4px;
        padding: 20px;
        background: #fefefe;
        font-size: 1.1em;
    }

    .support-link {
        margin: 10px 20px;
        a,
        a:hover,
        a:visited {
            color: hsl(170, 47%, 33%);
            font-weight: 500;
        }
    }

    .payment-schedule {
        label {
            display: inline-block;
        }
        input[type="radio"] {
            display: none;
            &:checked {
                + .box {
                    background: #69b190;
                    color: white;
                    border-color: #438667;
                }
            }
        }
        .box {
            width: 120px;
            height: 70px;
            background: #efefef;
            transition: all .2s ease;
            display: inline-block;
            text-align: center;
            cursor: pointer;
            position: relative;
            border: 1px solid #e7e7e7;
            border-radius: 8px;
            margin: 0 10px 5px 0;
            padding: 30px 20px;
            vertical-align: top;
            &:hover {
                background: #e7e7e7;
                border-color: #cbcbcb;
            }
            .schedule-time {
                font-weight: bold;
                font-size: 1.2em;
                margin-top: 10px;
            }
            .schedule-amount {
                margin-top: 5px;
                font-size: 1.1em;
                height: 50px;
            }
            .schedule-amount-2 {
                font-size: 0.9em;
            }
        }
    }

    .stripe-button-el {
        padding: 11px 25px 11px 25px;
        font-weight: 400;
        color: white;
        background: #61b1b8;
        background: linear-gradient(145deg, rgb(76, 181, 205), rgb(37, 177, 151));
        box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.2);
        border: 0;
        height: 40px;
        margin: 5px 0 0 0;
        span {
            background: 0;
            box-shadow: none;
            -webkit-box-shadow: none;
            font-family: 'Source Sans Pro', Helvetica, Arial;
            font-size: 1.4em;
            line-height: 20px;
        }
    }

    .stripe-button-el:hover {
        background: rgb(37, 177, 151);
        box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.3);
    }

    .stripe-button-el:active,
    .stripe-button-el:not(:disabled):active {
        background: rgb(25, 139, 118);
        span {
            background: 0;
            box-shadow: none;
            -webkit-box-shadow: none;
        }
    }

    .stripe-button-el:disabled {
        span {
            background: none;
        }
    }

    #error-message-box {
        margin-top: 10px;
        font-weight: 600;
    }
}