.button-standard {
    display: inline-block;
    background-color: #ccc;
    border-radius: 4px;
    text-align: center;
    padding: 4px 24px;
    margin: 0px 4px;

    font-family: 'Open Sans', sans-serif;
    letter-spacing: 0.025em;
    font-size: 20px;
    text-transform: uppercase;
}

    .button-standard.small {
        font-size: 16px;
        text-transform: none;
    }

    .button-standard i {
        font-size: 24px;
        margin-right: 8px;
    }

    .button-standard:hover {
        text-decoration: none;
    }

    .button-standard.expand {
        display: block;
        width: 100%;
        margin: 0 auto;
    }

    .button-standard.yellow {
        background-color: #f5d52c;
        color: #000 !important;
    }

        .button-standard.yellow:hover {
            background-color: #f9df51;
            text-decoration: none;
        }

    .button-standard.transparent {
        background: none;
        color: #6d2d72 !important;
    }

        .button-standard.transparent:hover {
            color: #000 !important;
        }

    .button-standard.purple {
        background-color: #6d2d72;
        color: #fff !important;
    }

        .button-standard.purple:hover {
            background-color: #5b1f5f;
            text-decoration: none;
        }