body {
    background-color: #212c3e;
    margin: 2rem;
    font-family: "pingfang sc", "宋体", Arial, Helvetica, sans-serif, serif;
    color: #fff;
    font-size: 14px;
}
.container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 2rem;
}

* {
    box-sizing: border-box;
}
.fullscreen-intro {
    font-size: 16px;
    line-height: 1.5;
}
p {
    line-height: 2;
}

.fullscreen-more {
    display: none;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: normal;
}

.fullscreen-enabled:fullscreen .fullscreen-more {
    display: block;
}

.button {
    padding: 6px 12px;
    margin-bottom: 0;
    font-weight: 400;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    display: inline-block;
    background-image: none;
    border-radius: 3px;
    box-shadow: none;
    border: 1px solid transparent;
}

.button-blue {
    color: #fff;
    background-color: #6658dd;
    border-color: #6658dd;
    box-shadow: 0 2px 6px 0 rgba(102, 88, 221, 0.5);
}

.fullscreen-enabled {
    display: block;
    position: relative;
    background-color: #0f4069 !important;
    border: 2px solid rgba(255, 255, 255, 0.25);
    padding: 20px 24px;
    color: #fff;
}

.bottom-right {
    position: absolute;
    bottom: 10px;
    right: 10px;
}

.fullscreen-modal {
    display: none;
}

.fullscreen-modal:fullscreen {
    display: block;
    padding: 1rem;
}

.modal-content {
    padding: 1rem;
    border: 2px dashed white;
    height: 95vh;
}
.close {
    position: relative;
    display: block;
}

.close::after {
    right: 1rem;
    top: -3rem;
    width: 2rem;
    height: 2rem;
    position: absolute;
    display: flex;
    z-index: 1;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border-radius: 50%;
    border: 2px solid white;
    color: white;
    content: "X";
    cursor: pointer;
}

.close:focus:after {
    color: yellow;
    border-color: yellow;
}
.modal-body {
    width: 90vw;
    margin-left: auto;
    margin-right: auto;
}