renderer.css

#snap-source-selector {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    display: flex;
    background: rgba(0,0,0,0.8);
    flex-direction: column;
    margin: 10px;
    border-radius: 20px;
    border: 1px solid #000;
    padding: 20px;
    overflow: auto;
    font-family: monospace;
    z-index: 99999;
}

#snap-source-selector .close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 40px;
    cursor: pointer;
    color: #fff;
}

#snap-source-selector h4 {
    font-size: 30px;
    color: #fff;
    margin-bottom: 1rem;
}

#snap-source-selector .screens,
#snap-source-selector .windows {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.3);
}

#snap-source-selector .source {
    width: 250px;
    height: 200px;
    margin: 10px;
    border: 1px solid #fff;
    cursor: pointer;
    color: #fff;
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    text-align: center;
    background-repeat: no-repeat;
    background-position: center;
}
#snap-source-selector .source:hover {
    background-color: rgba(255,255,255,0.2);
}

#snap-source-selector .source .name {
    width: 100%;
    overflow: hidden;
    background: #000;
    max-height: 14px;
}

#snap-source-selector .source:hover .name {
    max-height: auto;
}

#snap-dev-tools {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 11px;
    font-family: monospace;
    color: #fff;
    background: #000;
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 5px;
    width: 16px;
    height: 16px;
    display: flex;
    z-index: 99999;
    cursor: pointer;
    justify-content: center;
    align-items: center;
    line-height: 0;
    opacity: 0.4;
}

#snap-dev-tools:hover {
    opacity: 1;
}