JSFiddle - React, Tailwind, and code Playground

HTML

<header id="sidebar-small">
<a id="open_nav" href="#">Blog title lorem ipsum dolor</a>
</header>

CSS

#sidebar-small {
    width: 40px;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
}

#open_nav {
    font-family: 'Exo', sans-serif;
    font-weight: 300;
    font-size: 1em;
    display: block;
    color: #333333;
    text-decoration: none;
    background: url("img/menu-s.png") no-repeat 18px -30px transparent;
    padding-left: 50px;
    padding-right: 19px;
    line-height: 40px;
    position: absolute;
    bottom: 18px;
    -webkit-transform: rotate(-90deg);
    -webkit-transform-origin: 20px;
    -moz-transform: rotate(-90deg);
    -moz-transform-origin: 20px;
    -ms-transform: rotate(-90deg);
    -ms-transform-origin: 20px;
    -o-transform: rotate(-90deg);
    -o-transform-origin: 20px;
    transform: rotate(-90deg);
    transform-origin: 20px;
}