Updated to add more numix theme

numix-mastofe.css

.drawer__header { /* The collection of buttons on top */
    background: #444444;
}

.drawer__tab { /* The above's icons */
    color: #a7a7a7;
}

.drawer__header a:hover { /* The above's hover action */
    background: #f0544c;
}

.search__input { /* The search thing at the top of the profile */
    background: #333333;
}

.drawer__inner { /* The compose section */
    background: #444444;
}

.drawer__inner__mastodon { /* The thing below the compose section */
    background: #444444;
}

.column>.scrollable { /* For posts */
    background: #333333;
}

.column-header { /* For the thing at the top */
    background: #3b3b3b;
}

.status { /* The divider line under posts in a timeline */
    border-bottom: 1px solid #444444;
}

.column-header__button { /* The above's button */
    background: #3b3b3b;
}

.icon-button.active { /* More icons */
    color: #f0544c;
}

.notification__favourite-icon-wrapper .star-icon, .star-icon.active { /* The favorite icon */
    color: #f0544c;
}

.notification__message .fa { /* The icon messages in the notification column */
    color: #f0544c;
}

.column-header.active .column-header__icon { /* That little house icon in the home timeline */
    color: #f0544c;

}

.status__display-name { /* Handle text color */
    color: #525252;
}

.muted .status__content, .muted .status__content a, .muted .status__display-name strong { /* Text seen in the mentions */
    color: #646464;
}

.button { /* The post button */
    background-color: #f0544c;
}

.button:active, .button:focus, .button:hover { /* The animation when a user hovers over the post button, should be set to a shade lighter than the normal color */
    background-color: #f0544c;
}

.detailed-status { /* The highlighted status seen in the rightmost pane, this is accessed when you click a status in a timeline */
    background: #444444;
}

.detailed-status__action-bar { /* The lower part of the above */
    background: #444444;
    border-top: 1px solid #404040;
    border-bottom: 1px solid #404040;
}