.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

* {
    padding: 0;
    margin: 0;
}

body,
html {
    width: 100%;
    height: 100%;
}

ul,
li {
    list-style: none;
}

#code {
    height: 100%;
    width: 100%;
}

a {
    text-decoration: none;
}

a:active {
    color: unset;
}

.hand {
    cursor: pointer;
}

.fl {
    float: left;
}

.fr {
    float: right;
}