body{padding:0;margin:0;}
.sf-flex {
    display: flex;
}

.sf-row {
    flex-direction: row;
}

.sf-col {
    flex-direction: column;
}

.sf-start {
    justify-content: flex-start;
}

.sf-around {
    justify-content: space-around;
}

.sf-between {
    justify-content: space-between;
}

.sf-wrap{flex-wrap: wrap;}

.sf-itemcenter {
    align-items: center;
}
.sf-center {
    justify-content: center;
}


.sf-pdbox {
    padding: 15px;
}

.sf-pdlr {
    padding: 0 15px;
}

.sf-pdtb {
    padding: 15px 0;
}

.sf-orange {
    color: orange;
}

.sf-grey {
    color: #999999;
}

.sf-size14 {
    font-size: 14px;
}

.sf-size16 {
    font-size: 16px;
}

.sf-size18 {
    font-size: 18px;
}

.sf-sizebig {
    font-size: 36px;
}

.sf-bold {
    font-weight: bold;
}

.sf-bggrey {
    background-color: #f8f8f8;
}

.sf-bgwhite {
    background-color: #ffffff;
}

.sf-line8 {
    width: 100%;
    height: 8px;
    background-color: #f8f8f8;
}

.sf-line1 {
    width: 100%;
    height: 1px;
    background-color: #f8f8f8;
}

.sf-textcenter {
    text-align: center;
}

img.sf-img20 {
    height: 20px;
    width: 20px;
}

img.sf-img30 {
    height: 30px;
    width: 30px;
}

img.sf-img40 {
    height: 40px;
    width: 40px;
}

img.sf-img60 {
    height: 60px;
    width: 60px;
}

.sf-opa5 {
    opacity: 0.5;
}

.sf-opa7 {
    opacity: 0.7;
}

.sf-inputgrey {
    height: 30px;
    line-height: 30px;
    border: none;
    background: #eeeeee;
    border-radius: 5px;
    padding: 0 10px;
}

.sf-inputgrey.com {
    width: 100px;
}

.sf-inputgrey.min {
    width: 50px;
}

.sf-btn {
    padding: 5px 10px;
    background: #5bc0de;
    border: none;
    color: #ffffff;
    cursor: pointer;
    border-radius: 5px;
    width: 100px;
    text-align: center;
}

.sf-btn:hover {
    cursor: pointer;
    opacity: 0.7;
}