html, body {
    margin: 0px;
    padding: 0px;
    width: 100%;
    min-height: 100%;
    background-color: rgb(7, 15, 21);
    font-family: "Trebuchet MS", Helvetica, sans-serif;
    color: #FFF;
}
* {
    box-sizing: border-box;
    -webkit-touch-callout: none;
    -webkit-user-select: none; 
     -khtml-user-select: none; 
       -moz-user-select: none; 
        -ms-user-select: none; 
            user-select: none; 
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
}
/* h1 {
    font-size: 1.8em;
} */
h1, h2, h3, h4 {
    margin: 0px;
}
input {
    width: 100%;
}
textarea {
    width: 100%;
}
.container {
    width: 400px;
    margin: 0px auto 100px auto;
    /* margin-top: calc( 10% - 40px ); */
    overflow-X: hidden;
    display: flex;
    flex-direction: column;
}
.app-header {
    width: 100%;
    /* background: url( 'logo.jpg' ) left center no-repeat; */
    background-size: contain;
    height: 80px;
    /* padding-left: 120px; */
    /* padding-top: 120px; */
    display: flex;
    justify-content: center;
    align-items: flex-end;
}
.app-header .title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.header {
    margin-top: 30px;
    text-align: left;
    background-color: rgb(18, 29, 39);
}
.header, .content {
    padding: 10px;
    /* border: 1px solid rgba( 150, 150, 150); */
    border: 1px solid rgb(38, 45, 52);
}
.content {
    border-top: 0px solid white;
}

.header, .content, .actions {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-items: stretch;
}
.content.column {
    flex-direction: column;
}

.header, .content {
    /* justify-content: space-evenly; */
}
.operation .content {
    height: 50px;
}
.operation .content div {
    display: flex;
    flex-direction: row;
    align-items: center;
}
div.left, div.right {
    width: 50%;
}
div.right {
    text-align: right;
    justify-content: end;
}

.action {
    cursor: pointer;
    cursor: hand;
    font-weight: bolder;
    color: rgb(46, 174, 52);
}
.action:hover {
    color: #FFF;
}

.version {
    /* font-size: 1.2em; */
}

.release-list {
    
}

.available-release {

}
.warning {
    color: red;
}