#myChart{
    width:auto;
    height:400px!important;
}
.buttons-excel {
background-color:rgb(0,112,232)!important;
margin-bottom:10px;
color:white;
}
.buttons-excel:hover {
background-color:rgb(0,112,232)!important;
margin-bottom:10px;
color:#D0CFCE;
}