style.css

/*
===================================================================================================
                              Colors
===================================================================================================
*/

[data-color~="background-purple"]{
    background-color: purple;
    background-image: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(0,0,0,.2) 20px, rgba(0,0,0,.2) 40px);
}


[data-color~="background-grey"]{
    background: linear-gradient( #dddddd 2%, #e6e6e6 98%, #cdcdcd);
    
}

[data-color~="background-transparent"] {
    background: transparent;
}

[data-color~="background-white"] {
    background: white;
}

[data-color~="lightgrey"]{
    color: darkgrey;
}

/*
===================================================================================================
                              Layout
===================================================================================================
*/

body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

/*mobile layout*/

[data-layout~="mainFrame"] {
    margin: 0;
    padding: 0;
    height: 100%;
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
}


[data-layout~="header"] {
    padding: 0 1em 0 0;
    vertical-align: middle;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10%;
    min-height: 2.5em;
    z-index: 300;
}

[data-layout~="footer"] {
    padding: 0;
    vertical-align: middle;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 10%;
    min-height: 2.5em;
    z-index: 300;
}

[data-layout~="footer"]:before {
    content: '';
    display: inline-block;
    height: 100%;
    vertical-align: middle;
}

[data-layout~="msgBoard"]{
    position: absolute;
    top: 10%;
    left: 0;
    margin: 0;
    height: 80%;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1em;
    vertical-align: middle;
}


#post {
    position: absolute;
    bottom: 3%;
    right: 2%;
}

#post:hover {
    color: white;
}

#change {
    position: absolute;
    top: 3%;
    right: 2%;
}

#post:hover {
    color: white;
}


#delete {
    position: absolute;
    top: 3%;
    right: 15%;
}

#refresh {
    position: absolute;
    top: 12%;
    left: 50%;
    width: 10%;
    transform: translate(-50%);
    z-index: 200;
    transition: width 100ms;
}

#refresh:hover {
    width: 12%;
}

[data-layout~="fill"] {
    width: 100%;
    min-width: 2.5em;
}

#usrName {
    width: 50%;
    font-size: 75%;
}

[data-layout~="hide"] {
    display: none;
}

/*
===================================================================================================
                             Utils
===================================================================================================
*/

/*msg icons*/
.msg:before {
    content: url('icon256.png');
    display: block;
    float: left;
    clear: left;
    width: 5em;
    height: 6em;
    transform: scale(0.3,0.3) translate(-150%,-150%);
}

.msg {
    min-height: 7em;
    margin-bottom: 1em;
    padding: 1em;
}

.msg > * {
    margin: 0 0 0 5rem;
}


.msg:hover {
    background: rgba(0,0,0,.2);
    cursor: pointer;
}

[data-state="selected"] {
    background: rgba(0,0,0,.3);
}

[data-msgBody]{
    width: 75vw;
    font-size: 75%;
}


[data-logo] {
    display: inline-block;
    background: url('web-slack-icon.png') center / 80% no-repeat;
    height: 100%;
    width: 3em;
    vertical-align: middle;
}


#post {
    position: absolute;
    bottom: 3%;
    right: 2%;
}

#post:hover {
    color: white;
}

#change {
    display: none;
    position: absolute;
    top: 3%;
    right: 2%;
}

#change:hover {
    color: white;
    cursor: pointer;
}

#change[data-state~="selected"] {
    display: inline-block;
    background: none;
}

#delete {
    display: none;
    position: absolute;
    top: 3%;
    right: 15%;
    color: red;
}

#delete:hover {
    color: crimson;
    cursor: pointer;
}

#delete[data-state~="selected"] {
    display: inline-block;
    background: none;
}


#refresh {
    position: absolute;
    top: 12%;
    left: 50%;
    width: 10%;
    transform: translate(-50%);
    z-index: 200;
}
/*
===================================================================================================
                             Resets
===================================================================================================
*/

/*general input styles*/
input {
    border: none;
    outline: none;
    border-radius: .3em;
    padding: .5em 1em;
    margin: 0;
    vertical-align: middle;
}

#msgId, label[for="msgId"] {
    display: none;
}


button {
    border: none;
    outline: none;
}


/*
===================================================================================================
                             Typography
===================================================================================================
*/


body {
    font-family: Heletica, sans-serif;
    font-size: 100%;
}


input, button, label {
    font: inherit;
    display: inline-block;
    vertical-align: middle;
    z-index: 400;
}