*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body{
    height: 100vh;
    display: flex;
}

h1{
    color : red
}

h2{
    color : black
}
.container{
    background: #E7E7E7;
    display: flex;
    flex-direction: column;
    width: 50%;
    height: 100vh;
    margin: 3px;

}
.container textarea {
    background-color:  #121212;
    border:1px solid #0dddf0;
    resize: none;
    width: 100%;
    height: 33.333%;
    font-size: 1.4rem;
    padding: 10px;
    resize: vertical;
    overflow-y: scroll;
    color:white;
}
.container textarea:focus {
    outline: none;
    color:white;
}
.iframe-container{
    background: white;
    width: 50%;
    height: 100vh;
    margin: 3px;
}
#viewer{
    width: 100%;
    height: 100%;
}
.split {
  width:100%;
  height:100%;
}
.gutter {
  cursor: e-resize;
  height: 100%;
  background: grey;
}
.gutter.gutter-horizontal {
    cursor: ew-resize;
}