$blue:#324157; $light-blue:#3A71A8; $red:#C03639; $pink: #E65D6E; $green: #30B08F; $tiffany: #4AB7BD; $yellow:#FEC171; $panGreen: #30B08F; @mixin colorBtn($color) { background: $color; &:hover { color: $color; &:before, &:after { background: $color; } } } .blue-btn { @include colorBtn($blue) } .light-blue-btn{ @include colorBtn($light-blue) } .red-btn { @include colorBtn($red) } .pink-btn { @include colorBtn($pink) } .green-btn { @include colorBtn($green) } .tiffany-btn { @include colorBtn($tiffany) } .yellow-btn { @include colorBtn($yellow) } .pan-btn { font-size: 14px; color: #fff; padding: 14px 36px; border-radius: 8px; border: none; outline: none; margin-right: 25px; transition: 600ms ease all; position: relative; display: inline-block; &:hover { background: #fff; &:before, &:after { width: 100%; transition: 600ms ease all; } } &:before, &:after { content: ''; position: absolute; top: 0; right: 0; height: 2px; width: 0; transition: 400ms ease all; } &::after { right: inherit; top: inherit; left: 0; bottom: 0; } } .custom-button{ display: inline-block; line-height: 1; white-space: nowrap; cursor: pointer; background: #fff; color: #fff; -webkit-appearance: none; text-align: center; box-sizing: border-box; outline: 0; margin: 0; padding: 10px 15px; font-size: 14px; border-radius: 4px; }