.sigmaweb-btn11 .elementor-button {
  position: relative;
  z-index: 1;
  overflow: hidden;
  display: flex;
}

.sigmaweb-btn11 .elementor-button:hover{
    color: #000 !important;
}

.sigmaweb-btn11 .elementor-button:after {
 content: "";
 background: #f5f5f5;
 position: absolute;
 z-index: -1;
 left: -20%;
 right: -20%;
 top: 0;
 bottom: 0;
 transform: skewX(-45deg) scale(0, 1);
 transition: all 0.5s;
}

.sigmaweb-btn11 .elementor-button:hover:after {
 transform: skewX(-45deg) scale(1, 1);
 -webkit-transition: all 0.5s;
 transition: all 0.5s;
}