html,body {
    background-color: #efefef;
    margin: 0;
    color: #333333;
}

.header-box{
    position:relative;
    height: 15%;
    width: 100%;
    top: 0;
    left: 0;
    margin: 0;
    background-color: #fefefe;
}

.main-box{
    position:relative;
    margin: auto 3em;
}

.container{
    margin: 1em 1em 1em 1em;
    padding: 16px;
    position: relative;
}

.card_container{
    border-radius: 7px;
    background-color: #fefefe;
    box-shadow: 2px 2px 2px #cccccc;
}

.readme{
    width: 95%;
}

.param-line{
    margin: 0.5% 0;
}

.cal-row{
    text-align: center;
}

.icon{
    margin-left: 4px
}

.info_tooltip{
    margin-left: 60px
}

.header-style-2 {
    text-align: center;
    font-family: "Arial";
    font-weight: bold;
    font-size: 30px;
    margin-top: 20px;
}