factorio-server-manager/ui/scss/adminLTE3-box.scss

.box {
    position: relative;
    border-radius: 3px;
    background: #ffffff;
    border-top: 3px solid #d2d6de;
    margin-bottom: 20px;
    width: 100%;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);

    .box-header {
        color: #444;
        display: block;
        padding: 10px;
        position: relative;

        .box-title {
            display: inline-block;
            font-size: 20px;
            margin: 0 0 0 10px;
            line-height: 1;
        }

        .box-tools {
            position: absolute;
            right: 10px;
            top: 10px;

            .btn-box-tool {
                padding: 5px;
                font-size: 12px;
            }
        }
    }

    .box-body {
        border-radius: 0 0 3px 3px;
        padding: 10px;
        font-size: 14px;

        h4 {
            font-size: 18px;
        }
    }
}