#main-wrapper {
    display: flex;
}

#main-wrapper>*{
    flex: 1;
}

.editor {
    height: 70vh;
    width: -webkit-fill-available;
    resize: none;
    border: solid 1px gray;
}

html{
    height: 100vh;
    background: lightgray;
    font-family: math;
}

#control-panel {
    flex: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 5pt;
}

#control-panel>*{
    display: block;
    width: -webkit-fill-available;

}

#control-panel label {
    margin-top: 0.25em;
}

#header {
    font-size: xx-large;
    text-align: center;
    padding: 0.5em;
    margin-bottom: 10pt;
    background: black;
    color: white;
}

fieldset {
    padding: 5px 5px 0px;
}

legend {
    margin-left: 0.5em;
}

#github-star{
    display: inline-block;
    background: url(github-stars.png) center no-repeat;
    height: 2em;
    width: 2em;
    background-size: contain;
    vertical-align: middle;
}

@media only screen and (max-width: 600px) {
    #main-wrapper {
       flex-direction: column;
    }
    
    input, button, select {
        padding: 1em;
    }
  }