.cf:after {
    content: ".";
    display: block;
    clear: both;
    visibility: hidden;
    line-height: 0;
    height: 0;
}

.cf {
    zoom: 1;
}

.overlay {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.8) url("../img/preloader.gif") center no-repeat;
}

/* Turn off scrollbar when body element has the loading class */
body.loading {
    overflow: hidden;
}

/* Make spinner image visible when body element has the loading class */
body.loading .overlay {
    display: block;
}

/* Buttons */
a.button {
    display: inline-block;
    font-family: Open sans;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 25px;
    padding: 10px;
}

a.button_grey {
    color: #b8b8b8;
    background-color: #ffffff;
    border: 1px solid #b8b8b8;
}

a.button_grey:hover {
    color: #ffffff;
    background-color: #b8b8b8;
}

a.button_blue {
    color: #05529a;
    background-color: #ffffff;
    border: 1px solid #05529a;
}

a.button_blue:hover {
    color: #ffffff;
    background-color: #05529a;
}