tofuness/Toshocat

#app {
    @extend .cf;
    @extend .ns;
    @extend .roboto;
    @extend .ts-slow;
    overflow: hidden;
    cursor: default;
    height: 100%;
    color: $winter-black;
    font-size: ms(1);
}
#app-container {
    @extend .mask;
    float: left;
    margin: 20px 20px 0 0;
    width: calc(100% - 180px - 20px);
    height: calc(100% - 61px);
    background: #fff;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}