.RadiusButton:after{content:"";background:#000000;position:absolute;top:0;left:0;border-radius:inherit;width:0;height:100%;z-index:1;transition:width .3s ease}.RadiusButton:hover:after{width:100%}.frozyBtn{background:#113d48;border-radius:5px;width:250px}.hoverFrozy:hover:after{background:rgb(28,168,203);width:100%}