.registration-ui {
    background: linear-gradient(to bottom, #f8d038 0%,#f5ca2e 100%);
    padding: .25em 1em .25em 1.75em;
    font-weight: bold;
    font-size: 2em;
    border-radius: 5px;
    border: 1px solid #000;
    box-shadow: 1px 1px 1px #ddd;
    position: relative;
    font-family: helvetica, ariel, sans-serif;
    text-transform: uppercase;
    color: black;
}

.registration-ui:before {
    content: 'GB';
    display: block;
    width: 30px;
    height: 100%;
    background: #063298;
    position: absolute;
    top: 0;
    border-radius: 5px 0 0 5px;
    color: #f8d038;
    font-size: .5em;
    line-height: 85px;
    padding-left: 5px;
}

.registration-ui:after {
    content: '';
    display: block;
    position: absolute;
    top: 7px;
    left: 5px;
    width: 20px;
    height: 20px;
    border-radius: 30px;
    border: 1px dashed #f8d038;
}