body {
    background-color: rgb(249, 249, 249);
}

.navbar {
    background-color: #fff;
}

.mainContainer {
    position: relative;
    top: 52px;
}

.mainContainer {
    width: 1170px;
    margin: 0 auto;
    padding: 15px 15px;
}

.mainContainer .row .tip li {
    list-style: none;
}

.mainContainer .nav-box ul li a {
    color: #777;
}

#box,
#box2 {
    margin-top: 20px;
    height: 46px;
}

.fragment-group {
    overflow: hidden;
    padding-left: 0;
}

.hide {
    visibility: hidden;
}

.fragment-group .fragment {
    float: left;
    width: 30%;
    padding-right: 10px;
    list-style: none;
    margin-top: 10px;
}

.file-input {
    display: inline-block;
    box-sizing: border-box;
    width: 130px;
    height: 46px;
    opacity: 0;
    cursor: pointer;
}

.mainContainer .select-button {
    position: absolute;
    background-color: #00b7ee;
    color: #fff;
    font-size: 18px;
    padding: 0 30px;
    line-height: 44px;
    font-weight: 100;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

.speed {
    margin-top: 15px;
}