.blue_box, .red_box, .green_box {
    min-width: 320px;
    width: auto;
    height: auto;
    border: solid 1px #008cd5;
    background: #005991;
    margin: 10px auto 10px auto;
    color: #f0f0f0;
    padding: 15px;
    font-size: 14px;
    line-height: 20px;
    font-family: Verdana;
    text-align: center;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    border-radius: 5px;
    margin: 10px 20px;
    box-shadow: rgba(0, 0, 0, 0.06) 0px 2px 4px 0px inset;
}
.red_box {
    border: solid 1px #ff0000;
    background: #CC0000;
}

.green_box {
    border: solid 1px #2ce100;
    background: #23be00;
}