betaflight-configurator/tabs/landing.css

.tab-landing .left {
    width: 60%;
}
.tab-landing .right {
    float: left;

    margin-left: 10px;

    width: calc(40% - 10px);
}
.tab-landing .optional_permissions {
    display: none;

    margin-bottom: 10px;

    border: 1px solid silver;
}
.tab-landing .optional_permissions .title {
    line-height: 20px;

    text-align: center;
    font-weight: bold;
    color: white;

    border-bottom: 1px solid silver;
    background-color: #cd4c4c;
}
.tab-landing .optional_permissions p {
    padding: 5px;
}
.tab-landing .optional_permissions a {
    display: block;
    float: left;

    height: 28px;
    line-height: 28px;

    margin: 0 0 5px 5px;
    padding: 0 15px 0 15px;

    text-align: center;
    font-weight: bold;

    border: 1px solid silver;
    background-color: #ececec;
}
.tab-landing .optional_permissions a:hover {
    background-color: #dedcdc;
}
.welcome {
    margin-bottom: 10px;

    padding: 5px;

    border: 1px solid silver;
}
.welcome a {
    font-weight: bold;
}
.welcome a:hover {
    text-decoration: underline;
}
.changelog {
    margin: 0 0 10px 0;

    border: 1px solid silver;
}
.changelog .title {
    line-height: 20px;

    text-align: center;
    font-weight: bold;
    color: white;

    border-bottom: 1px solid silver;
    background-color: #3f4241;
}
.changelog .wrapper {
    height: 150px;

    padding: 5px;

    overflow-y: scroll;
    overflow-x: hidden;

    -webkit-user-select: text;
}
.changelog .wrapper span {
    font-weight: bold;
}
.changelog .wrapper p {
    margin-bottom: 5px;
}
.donate {
    padding: 0 0 5px 0;

    border: 1px solid silver;
}
.donate .title {
    line-height: 20px;

    text-align: center;
    font-weight: bold;
    color: white;

    border-bottom: 1px solid silver;
    background-color: #3f4241;
}
.donate p {
    padding: 5px;
}
.donate a {
    display: block;

    width: 74px;
    height: 21px;

    margin: auto;
}
.firmware_flasher {
    display: block;
    float: right;

    height: 28px;
    line-height: 28px;

    padding: 0 15px 0 15px;

    text-align: center;
    font-weight: bold;

    border: 1px solid silver;
    background-color: #ececec;
}
.firmware_flasher:hover {
    background-color: #dedcdc;
}
.tab-landing .sponsors {
    margin-top: 10px;
    border: 1px solid silver;
}
.tab-landing .sponsors .title {
    line-height: 20px;

    text-align: center;
    font-weight: bold;
    color: white;

    border-bottom: 1px solid silver;
    background-color: #3f4241;
}
.tab-landing .sponsors p {
    padding: 5px;
}
.tab-landing .sponsors p a {
    font-weight: bold;
}
.tab-landing .sponsors p a:hover {
    text-decoration: underline;
}