.box {
    width:100%;
    overflow:auto;
    box-sizing:border-box;
    padding:50px;
}
.small {
    padding:20px;
}
.left {
    float:left;
    padding: 15px 50px;
    padding-left:0px;
    margin-left:0px;
}
.right {
    float:right;
    padding: 15px 50px;
    padding-right:0px;
    margin-right:0px;
}

.block {
    float:none;
    display:inline-blocK;
    clear:both;
    margin-top:25px;
    margin-bottom:25px;
}

.center {
    text-align:center;
}

.r-2 {
    overflow:auto;
    width:50%;
    float:left;
}

.r-3 {
    overflow:auto;
    width:33.33%;
    float:left;
}

.fullwidth {
    width:100%;
}

.border {
    border-style: solid;
    border-color:black;
}

hr{
    width: 400px;
    display: inline-block;
    margin: 30px;
    clear: both;
    background-color: #AAAAAA;
    border: none;
    height: 1;
}

.h-small {
    height:250px;
}
.h-medium {
    height:500px;
}
.h-large {
    height:800px;
}