Style for vietcdn.net

vietcdn.userstyles.css

body {
    background-color: #121212;
    display: flex;
    justify-content: center;
    height: 100vh;
    overflow-y: hidden
}

div[class="col-xs-12 col-md-4"] {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30%;
    top: 50%;
    bottom: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

div[class="panel panel-default"] {
    background-color: #202020;
    color: white;
}

.panel-heading,
span[class^="badge"],
#speedtest-start-button,
#speedtest-progress-bar-wrapper,
#speedtest-result {
    background-color: #323232 !important;
    color: white !important
}

center h5 {
    filter: blur(4px) !important;
    transition: 0.2s
}

center h5:hover {
    filter: none !important;
    cursor: default !important
}

#speedtest-start-button {
    border: none !important;
}

#speedtest-start-button:hover {
    cursor: pointer;
    border: 1.8px solid lightcoral !important
}

.progress-bar {
    background-color: aquamarine !important;
    color: #323232 !important
}

#speedtest-result {
    border: 1.8px solid white !important
}