.codeBlock {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
}

.codeBlockContent {
    min-width: 150px;
    background-color: rgba(80,80,80,1);
    color: rgba(250,250,250,1);
    padding: 15px;
    border-radius: 10px;
}
.codeBlockContent:focus {
    outline: none;
}

.codeBlockCopyBtn {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    background-color: rgba(150,150,150,0.6);
    user-select: none;
    color: white;
    font-size: 14px;
    line-height: 14px;
    padding: 5px;
}
.codeBlockCopyBtn:active {
    background-color: rgba(200,200,200,0.6);
}
.codeBlockCopyBtn:hover {
    display: block;
}
.codeBlockContent:hover+.codeBlockCopyBtn {
    display: block;
}

.codeBlockContent .yellowCode {
    color: yellow;
}