a {
    text-decoration: none;
}

body {
    font-family: Arial, Helvetica, sans-serif, "Open Sans", STHeiti, SimSun;
}

.flex-row-spance-between {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.flex-row-start {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
}

.flex-row-end {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
}

.flex-row-center {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.flex-column-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.flex-column-start {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.ellipsis {
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
    overflow: hidden;
    width: 100%;
}

/* The Modal (background) */
.modal {
    display: none;
    position: fixed;
    /* Stay in place */
    z-index: 1;
    /* Sit on top */
    padding-top: 100px;
    /* Location of the box */
    left: 0;
    top: 0;
    width: 100%;
    /* Full width */
    height: 100%;
    /* Full height */
    overflow: auto;
    /* Enable scroll if needed */
    background-color: rgb(0, 0, 0);
    /* Fallback color */
    background-color: rgba(0, 0, 0, 0.4);
    /* Black w/ opacity */
}

/* Modal Content */
.modal-content {
    position: relative;
    background-color: #fefefe;
    margin: auto;
    padding: 0;
    border: 1px solid #888;
    width: 70%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    -webkit-animation-name: animatetop;
    -webkit-animation-duration: 0.4s;
    animation-name: animatetop;
    animation-duration: 0.4s
}

/* Add Animation */
@-webkit-keyframes animatetop {
    from {
        top: -300px;
        opacity: 0
    }

    to {
        top: 0;
        opacity: 1
    }
}

@keyframes animatetop {
    from {
        top: -300px;
        opacity: 0
    }

    to {
        top: 0;
        opacity: 1
    }
}

.modal-header {
    padding: 2px 16px;
    color: white;
}

.modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 52px;
}

.modal-body>div {
    margin: 15px;
}

.browser-img {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
}

.browser-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
    font-size: 14px;
    color: #333333;
}

.browser-img>div {
    margin: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.browser-img>div>div {
    margin-top: 20px;
}