I did found a problem on the Scheduler component in edge browser. If you have a width of 600 px, the TimeView pop-up appear by default and block, there is a display : block on the div.
I could resolve it by doing :
/*Microsoft Edge*/
.e-popup.e-popup-close{
display: none!important;
}
.e-popup.e-popup-open{
display: block!important;
}