.pr {
    position: relative;
}
.flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
img {
    vertical-align: top;
}
p {
    word-wrap: break-word;
}
em {
    font-style: normal;
}
input, label, img, th {
    vertical-align: middle;
    border: none;
}
table {
    display: table;
    border-collapse: separate;
    box-sizing: border-box;
    text-indent: initial;
    border-spacing: 2px;
    border-color: gray;
}
.clearfix {
    *zoom: 1;
}
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    line-height: 0;
    clear: both;
    visibility: hidden;
}