.jqx-button {
    background-color: Transparent;
    background-repeat:no-repeat;
    border: 2px solid #FFFFFF;
    border-radius: 8px;
    cursor:pointer;
    overflow: hidden;
    outline:none;
    transition-duration: 0.4s;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
}

.jqx-button:hover {
    background-color: #72A4D2; 
    color: white;
}

#btn_cerrar{
    border-color:#3A4C7D;border-width: 0px 0px 2px 0px;border-style: solid; -webkit-border-radius: 6px; -moz-border-radius: 6px;border-radius: 6px;font-size:12px;font-family:arial, helvetica, sans-serif; padding: 5px 5px 5px 5px; text-decoration:none; display:inline-block;text-shadow: -1px -1px 0 rgba(0,0,0,0.3);font-weight:bold; color: #FFFFFF;
    background-color: #a7cfdf; background-image: -webkit-gradient(linear, left top, left bottom, from(#a7cfdf), to(#23538a));
    background-image: -webkit-linear-gradient(top, #a7cfdf, #23538a);
    background-image: -moz-linear-gradient(top, #a7cfdf, #23538a);
    background-image: -ms-linear-gradient(top, #a7cfdf, #23538a);
    background-image: -o-linear-gradient(top, #a7cfdf, #23538a);
    background-image: linear-gradient(to bottom, #a7cfdf, #23538a);filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=#a7cfdf, endColorstr=#23538a);

}

#btn_cerrar:hover{
    border-color:#3A4C7D;border-width: 0px 0px 2px 0px;border-style: solid;
    background-color: #82bbd1; background-image: -webkit-gradient(linear, left top, left bottom, from(#82bbd1), to(#193b61));
    background-image: -webkit-linear-gradient(top, #82bbd1, #193b61);
    background-image: -moz-linear-gradient(top, #82bbd1, #193b61);
    background-image: -ms-linear-gradient(top, #82bbd1, #193b61);
    background-image: -o-linear-gradient(top, #82bbd1, #193b61);
    background-image: linear-gradient(to bottom, #82bbd1, #193b61);filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=#82bbd1, endColorstr=#193b61);
}

#content {
    
    font-size: 2rem;
    margin: auto auto;
    padding: 50px 50px;
    text-align: center;
    color: black;
    width: 60%;
}

#foo {
    position: absolute;
    top: 20%;               
    width: 100%;
}