.block {
    display: block;
}

.hidden {
    display: none;
}

.clear {
    clear: both;
}

.left {
    float: left;
}

.right {
    float: right;
}

.center-relative {
    margin-left: auto;
    margin-right: auto;
}

.sm,
.sm ul,
.sm li {
    display:block;
    list-style:none;
    margin:0;
    padding:0;
    line-height:normal;
    direction:ltr;
    -webkit-tap-highlight-color:rgba(0,0,0,0);
}

.sm-rtl,
.sm-rtl ul,
.sm-rtl li {
    direction:rtl;
    text-align:right;
}

.sm > li > h1,
.sm > li > h2,
.sm > li > h3,
.sm > li > h4,
.sm > li > h5,
.sm > li > h6 {
    margin:0;
    padding:0;
}

.sm ul {
    display:none;
}

.sm li,
.sm a {
    position:relative;
}

.sm a { 
    display:block;
}

.sm a.disabled {
    cursor:not-allowed;
}

.sm:after {
    content:"\00a0";
    display:block;
    height:0;
    font:0px/0 serif;
    clear:both;
    visibility:hidden;
    overflow:hidden;
}

.sm,
.sm *,
.sm *:before,
.sm *:after {
    -moz-box-sizing:border-box;
    -webkit-box-sizing:border-box;
    box-sizing:border-box;
}