regexer.css

body
{
    margin:0;
}
#regexer_input textarea,
#regexer_input pre
{
    height: 50px;
    margin: 0px 2px 5px;
    padding-right: 3px;
    width: 80%;
    display: block;
    position: absolute;
    left: 10%;
    font-family: monospace;
    resize: none;
    font-size: 14px;
}

#regexer_input textarea
{
    border: 1px solid #ccc;
    z-index: 2;
    background-color: transparent;
}
#regexer_input pre
{
    z-index: 1;
    margin-left: 4px;
    /*margin-top: 16px;*/
    overflow: hidden;
    color: transparent;
}

#regexer_input_replace
{
    border: 1px solid #ccc;
    left: 10%;
    margin: 55px 2px 5px;
    padding: 2px;
    position: absolute;
    width: 80%;
    z-index: 2;
    
    display: none;
}

#regexer_input.replace #regexer_input_replace
{
    display: block;
}


#regexer_text
{
    width: 100%;
    height: 100%;
    position: absolute; 
}


#regexer_text textarea#regexer_text_txt,
#regexer_text pre
{
    bottom: 15px;
    width: 80%;
    left: 10%;
    position: absolute;
    top: 55px;
    padding: 2px;
    font-family: monospace;
    font-size: 14px;
}

#regexer_text.replace textarea#regexer_text_txt,
#regexer_text.replace pre
{
    width: 50%;
    top: 80px;
}

#regexer_replace_txt
{
    bottom: 15px;
    width: 29%;
    left: 61%;
    position: absolute;
    top: 80px;
    padding: 2px;
    font-family: monospace;
    font-size: 14px;
    border: 1px solid #ccc;
    margin: 2px;
    resize: none;
    z-index:2;
    
    display: none;
}
#regexer_text.replace #regexer_replace_txt
{
    display: block;
}

#regexer_text textarea#regexer_text_txt
{
    background-color: transparent;
    z-index: 2;
    margin: 2px;
    border: 1px solid #ccc;
    resize: none;
    overflow-y: scroll;
}
#regexer_text pre
{
    margin: 3px;
    z-index: 1;
    color: transparent;
    overflow: hidden;
    overflow-y: scroll;
    padding-bottom: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}
#regexer_text pre span
{
    /*background-color: green;*/
    display: block;
}

#regex_controll
{
    width: 80%;
    margin: auto;
    padding-left: 4px;
}

#regex_controll a
{
    cursor: pointer;
    padding: 5px 5px 2px; 
    border-top: 1px solid #ccc;
    border-right: 1px solid #ccc;
    font-size: 13px;
    font-family: monospace;
    
    text-transform: uppercase;
}

#regex_controll a:first-child
{
    border-left: 1px solid #ccc;
}

#regex_controll a:hover
{
    background-color: #eee;
}

#regex_controll a.sel
{
    text-decoration: underline;
}

/* Highliting */
.f, .g
{
    display: inline!important;
    margin: 0!important;
}
.f.a
{
    background-color: yellow;
}
.f.b
{
    background-color: gold;
}

.g.s
{
    background-color: rgba(0, 0, 0, 0.2);
}

.hg
{
    background-color: #ffecb3;
    color: red;
    font-weight: bold;
}