CSS 3 Corner only borders

Corner only borders using css3

HTML

<div class="column">
    <div class="c-frame-wrapper">
       
        <div class="c-frame-tr"></div>
   
        <div class="c-frame-bl"></div>
        <div class="c-frame-content">
            &copy; Copyright 2015 - Company name<br /><br />
            St Winifrids St,<br />
            The Saints, Harrogate HG1 5PZ, UK<br />
        </div>
    </div>
</div>

CSS

/* not rquired */
.column {
    width: 0;
    margin: 0 auto;
}

.c-frame-wrapper {
    width: 250px;
    height: 100px;
    font-size:11px;
    color: $dark-grey-lighten-70;
    /* center align x axis */
    right: auto;
    left: 50%;
    transform: translateX(-50%);
}

.c-frame-tl {
    top: 0;
    left: 0;
    position: absolute;
    width:10px;
    height:10px;
    border-width: 3px;
    border-style: solid none none solid;
    border-color: #eb0000;
}

.c-frame-tr {
    top: 0;
    right: 0;
    position: absolute;
    width:10px;
    height:10px;
    border-width: 3px;
    border-style: solid solid none none;
    border-color: #eb0000;
}

.c-frame-br {
    bottom: 0;
    right: 0;
    position: absolute;
    width:10px;
    height:10px;
    border-width: 3px;
    border-style: none solid solid none;
    border-color: #eb0000;
}

.c-frame-bl {
    bottom: 0;
    left: 0;
    position: absolute;
    width:10px;
    height:10px;
    border-width: 3px;
    border-style: none none solid solid;
    border-color: #eb0000;
}

.c-frame-content {
    width:100%;
    text-align: center;
    /*center alignment x and y*/
    position: absolute;
    top: 50%;
    left: 50%;
    bottom: auto;
    right: auto;
    transform: translate(-50%,-50%);
    
}