.wrapper{
    position: relative;
}
.main{
    width: 100%;
    min-width: 50em;
    border-top: 1px solid #000000;
}

.box{
    box-sizing: border-box;
    width: 50%;
    float: left;
    padding: 1em;
    border-radius: 5px;
}

.box a{
    display: block;
    float: left;
    padding-left: 0;
    padding-right: 1em;
}

.box > pre, .box > textarea, .box > iframe{
    display: block;
    width: 100%;
    min-height: 20em;
    height: auto;
}

.update-indicator{
    border-width: 1px;
    border-style: solid;
    border-color: #d3d3d3;
}

@keyframes update{
    0% {border-color: #f00;}
    100% {border-color: #a33;}
}

.dirty{
    border-color: #ffefef;
    animation: update 800ms;
}

.updated{
    border-color: #d3d3d3;
}


.clearfix{
    clear: both;
}

ul.tabs{
    display: block;
    list-style: none;
    margin: 0;
    padding: 0;
}

ul.tabs li{
    display: block;
    position: relative;
    margin: 0;
    padding: 0 0.5em;
    float: left;
    border: 1px solid #d3d3d3;
}
ul.tabs .btn, ul.tabs .btn a, ul.tabs .btn a:visited{
    color: yellowgreen;
}
ul.tabs a.name, ul.tabs a.name:hover, ul.tabs a.name:visited{
    display: block;
    width: 100%;
    height: 100%;
    margin-right: 0.5em;
}

ul.tabs .active, ul.tabs .active a, ul.tabs .active a:hover, ul.tabs .active a:visited{
    color: #fff;
    background-color: #000;
}

ul.tabs a.close, ul.tabs a.close:hover, ul.tabs a.close:visited{
    position: absolute;
    right: 0;
    top: 0;
    color: #ff0000;
    background-color: transparent;
    font-weight: bolder;
    border-radius: 100%;
    display: block;
    font-size: 40%;
    z-index: 10;
}