html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;

    text-rendering: optimizelegibility;
    font-family: "Lato",sans-serif;
    text-align: center;
    font-weight: 400;

    background: #f3f8fd;
    background: -moz-linear-gradient(top, #f3f8fd 0%, #ffffff 100%);
    background: -webkit-linear-gradient(top, #f3f8fd 0%, #ffffff 100%);
    background: linear-gradient(to bottom, #f3f8fd 0%, #ffffff 100%);

    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;

    cursor: default;

    overflow: hidden;
}
.btn, .btn:visited {
    position: absolute;

    width: 200px;

    padding: 10px;

    color: #fff;

    border: solid 1px #CE3923;
    background-color: #CE3923;

    border-radius: 10px;
}
.btn:hover {
    border: solid 1px #EC472F;
    background-color: #EC472F;
}
#zappar-placement-ui {
    left: calc(50% - 100px);
    bottom: 30px;
}
#zappar-replacement-ui {
    width: 50px;
    right: 10px;
    bottom: 10px;
}
#zappar-replacement-ui svg {
    margin-top: 3px;
}
.visible {
    visibility: visible;
    opacity: 1;
    transition: opacity .2s linear;
}
.hidden {
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s 2s, opacity .2s linear;
}