这是一个CSS3使用gradient、box-shadow制作的按钮集合，在这里一共展示了15种不同颜色的按钮，而且在":hover"和“:active”下都有不同的效果。制作方法是一样，但配色，特别是gradient实现渐变色还是需要一定的功底的，不信你就试试吧

<!DOCTYPE HTML>
<html lang="en-US">
<head>
    <meta charset="UTF-8">
    <title>精美的圆形按钮效果</title>
<style>
body{
  background: #dcdcdc;
}
.box{
  width: 550px;
  text-align: center;
  line-height: 46px;
  margin:40px auto;
}
.btn{
  position: relative;
  font-weight:bold;
  width: 124px;
  height: 44px;
  border-radius: 3px;
  border: 1px solid #c0c0c0;
  margin:0 50px 40px 0;
}
.btn:nth-child(3n){
  margin-right: 0;
}
.btn:nth-child(1){
  color: #8c3e4a;
  border-color: #ed7989; 
  box-shadow:inset 0 1px 0 #f9a1b1,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#f78297,#f56c7e);
  background:-moz-linear-gradient(top,#f78297,#f56c7e);
  background:-o-linear-gradient(top,#f78297,#f56c7e);
  background:-ms-linear-gradient(top,#f78297,#f56c7e);
  linear-gradient(top,#f78297,#f56c7e);
}
.btn:nth-child(1):hover{
  background:-webkit-linear-gradient(top,#fbacbb,#f4798f);
  background:-moz-linear-gradient(top,#fbacbb,#f4798f);
  background:-o-linear-gradient(top,#fbacbb,#f4798f);
  background:-ms-linear-gradient(top,#fbacbb,#f4798f);
  linear-gradient(top,#fbacbb,#f4798f);
}
.btn:nth-child(1):active{
  top:4px;
  box-shadow:inset 0 1px 3px #aa2c3d;
  background:-webkit-linear-gradient(top,#e15c6d,#e15c6d);
  background:-moz-linear-gradient(top,#e15c6d,#e15c6d);
  background:-o-linear-gradient(top,#e15c6d,#e15c6d);
  background:-ms-linear-gradient(top,#e15c6d,#e15c6d);
  linear-gradient(top,#e15c6d,#e15c6d);
}
.btn:nth-child(2){
  color: #a67ea0;
  border-color: #e6addf;
  box-shadow:inset 0 1px 0 #ffdcfb,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#ffd0f9,#ffc2f7);
  background:-moz-linear-gradient(top,#ffd0f9,#ffc2f7);
  background:-o-linear-gradient(top,#ffd0f9,#ffc2f7);
  background:-ms-linear-gradient(top,#ffd0f9,#ffc2f7);
  linear-gradient(top,#ffd0f9,#ffc2f7);
}
.btn:nth-child(2):hover{
  background:-webkit-linear-gradient(top,#ffdefb,#fdc7f6);
  background:-moz-linear-gradient(top,#ffdefb,#fdc7f6);
  background:-o-linear-gradient(top,#ffdefb,#ffc2f7);
  background:-ms-linear-gradient(top,#ffdefb,#ffc2f7);
  linear-gradient(top,#ffdefb,#ffc2f7);
}
.btn:nth-child(2):active{
  top:4px;
  box-shadow:inset 0 1px 3px #be27aa;
  background:-webkit-linear-gradient(top,#f3b0ea,#f3b0ea);
  background:-moz-linear-gradient(top,#f3b0ea,#f3b0ea);
  background:-o-linear-gradient(top,#f3b0ea,#f3b0ea);
  background:-ms-linear-gradient(top,#f3b0ea,#f3b0ea);
  linear-gradient(top,#f3b0ea,#f3b0ea);
}
.btn:nth-child(3){
  color: #923e3e;
  border-color: #b74545;
  box-shadow:inset 0 1px 0 #fe8585,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#fd5c5c,#fd4a4a);
  background:-moz-linear-gradient(top,#fd5c5c,#fd4a4a);
  background:-ms-linear-gradient(top,#fd5c5c,#fd4a4a);
  background:-o-linear-gradient(top,#fd5c5c,#fd4a4a);
  linear-gradient(top,#fd5c5c,#fd4a4a);
}
.btn:nth-child(3):hover{
  background:-webkit-linear-gradient(top,#fd8d8d,#ff6161);
  background:-moz-linear-gradient(top,#fd8d8d,#ff6161);
  background:-o-linear-gradient(top,#fd8d8d,#ff6161);
  background:-ms-linear-gradient(top,#fd8d8d,#ff6161);
  linear-gradient(top,#fd8d8d,#ff6161);
}
.btn:nth-child(3):active{
  top:4px;
  box-shadow:inset 0 1px 3px #a31818;
  background:-webkit-linear-gradient(top,#d43535,#d43535);
  background:-moz-linear-gradient(top,#d43535,#d43535);
  background:-ms-linear-gradient(top,#d43535,#d43535);
  background:-o-linear-gradient(top,#d43535,#d43535);
  linear-gradient(top,#d43535,#d43535);
}
.btn:nth-child(4){
  color: #7f7f7f;
  border-color: #c8c8c8; 
  box-shadow:inset 0 1px 0 #e0e0e0,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#d7d7d7,#b7b7b7);
  background:-moz-linear-gradient(top,#d7d7d7,#b7b7b7);
  background:-o-linear-gradient(top,#d7d7d7,#b7b7b7);
  background:-ms-linear-gradient(top,#d7d7d7,#b7b7b7);
  linear-gradient(top,#d7d7d7,#b7b7b7);
}
.btn:nth-child(4):hover{
  background:-webkit-linear-gradient(top,#e3e3e3,#c2c0c0);
  background:-moz-linear-gradient(top,#e3e3e3,#c2c0c0);
  background:-o-linear-gradient(top,#e3e3e3,#c2c0c0);
  background:-ms-linear-gradient(top,#e3e3e3,#c2c0c0);
  linear-gradient(top,#e3e3e3,#c2c0c0);
}
.btn:nth-child(4):active{
  top:4px;
  box-shadow:inset 0 1px 3px #555;
  background:-webkit-linear-gradient(top,#a2a2a2,#a2a2a2);
  background:-moz-linear-gradient(top,#a2a2a2,#a2a2a2);
  background:-ms-linear-gradient(top,#a2a2a2,#a2a2a2);
  background:-o-linear-gradient(top,#a2a2a2,#a2a2a2);
  linear-gradient(top,#a2a2a2,#a2a2a2);
}
.btn:nth-child(5){
  color: #3295a4;
  border-color: #62d4e5;
  box-shadow:inset 0 1px 0 #92f3fe,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#71effe,#4be2fe);
  background:-moz-linear-gradient(top,#71effe,#4be2fe);
  background:-o-linear-gradient(top,#71effe,#4be2fe);
  background:-ms-linear-gradient(top,#71effe,#4be2fe);
  linear-gradient(top,#71effe,#4be2fe);
}
.btn:nth-child(5):hover{
  background:-webkit-linear-gradient(top,#9df5ff,#6ce6fc);
  background:-moz-linear-gradient(top,#9df5ff,#6ce6fc);
  background:-o-linear-gradient(top,#9df5ff,#6ce6fc);
  background:-ms-linear-gradient(top,#9df5ff,#6ce6fc);
  linear-gradient(top,#9df5ff,#6ce6fc);
}
.btn:nth-child(5):active{
  top:4px;
  box-shadow:inset 0 1px 3px #1d8194;
  background:-webkit-linear-gradient(top,#2bbed9,#2bbed9);
  background:-moz-linear-gradient(top,#2bbed9,#2bbed9);
  background:-o-linear-gradient(top,#2bbed9,#2bbed9);
  background:-ms-linear-gradient(top,#2bbed9,#2bbed9);
  linear-gradient(top,#2bbed9,#2bbed9);
}
.btn:nth-child(6){
  color: #a9a056;
  border-color: #ddcc52; 
  box-shadow:inset 0 1px 0 #fff48f,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#fff16d,#ffe647);
  background:-moz-linear-gradient(top,#fff16d,#ffe647);
  background:-ms-linear-gradient(top,#fff16d,#ffe647);
  background:-o-linear-gradient(top,#fff16d,#ffe647);
  linear-gradient(top,#fff16d,#ffe647);
}
.btn:nth-child(6):hover{
  background:-webkit-linear-gradient(top,#fff69f,#ffea61);
  background:-moz-linear-gradient(top,#fff69f,#ffea61);
  background:-o-linear-gradient(top,#fff69f,#ffea61);
  background:-ms-linear-gradient(top,#fff69f,#ffea61);
  linear-gradient(top,#fff69f,#ffea61);
}
.btn:nth-child(6):active{
  top:4px;
  box-shadow:inset 0 1px 3px #bbac23;
  background:-webkit-linear-gradient(top,#e2d12c,#e2d12c);
  background:-moz-linear-gradient(top,#e2d12c,#e2d12c);
  background:-o-linear-gradient(top,#e2d12c,#e2d12c);
  background:-ms-linear-gradient(top,#e2d12c,#e2d12c);
  linear-gradient(top,#e2d12c,#e2d12c);
}
.btn:nth-child(7){
  color: #8f7031;
  border-color: #f1c462; 
  box-shadow:inset 0 1px 0 #fee392,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#feda71,#f6be53);
  background:-moz-linear-gradient(top,#feda71,#f6be53);
  background:-ms-linear-gradient(top,#feda71,#f6be53);
  background:-o-linear-gradient(top,#feda71,#f6be53);
  linear-gradient(top,#feda71,#f6be53);
}
.btn:nth-child(7):hover{
  background:-webkit-linear-gradient(top,#ffe28e,#f6c463);
  background:-moz-linear-gradient(top,#ffe28e,#f6c463);
  background:-ms-linear-gradient(top,#ffe28e,#f6c463);
  background:-o-linear-gradient(top,#ffe28e,#f6c463);
  linear-gradient(top,#ffe28e,#f6c463);
}
.btn:nth-child(7):active{
  top:4px;
  box-shadow:inset 0 1px 3px #b78421;
  background:-webkit-linear-gradient(top,#e4ab3d,#e4ab3d);
  background:-moz-linear-gradient(top,#e4ab3d,#e4ab3d);
  background:-o-linear-gradient(top,#e4ab3d,#e4ab3d);
  background:-ms-linear-gradient(top,#e4ab3d,#e4ab3d);
  linear-gradient(top,#e4ab3d,#e4ab3d);
}
.btn:nth-child(8){
  color: #678333;
  border-color: #a7c570; 
  box-shadow:inset 0 1px 0 #d5e89f,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#cae285,#9cc15c);
  background:-moz-linear-gradient(top,#cae285,#9cc15c);
  background:-ms-linear-gradient(top,#cae285,#9cc15c);
  background:-o-linear-gradient(top,#cae285,#9cc15c);
  linear-gradient(top,#cae285,#9cc15c);
}
.btn:nth-child(8):hover{
  background:-webkit-linear-gradient(top,#d8ed9b,#acce70);
  background:-moz-linear-gradient(top,#d8ed9b,#acce70);
  background:-o-linear-gradient(top,#d8ed9b,#acce70);
  background:-ms-linear-gradient(top,#d8ed9b,#acce70);
  linear-gradient(top,#d8ed9b,#acce70);
}
.btn:nth-child(8):active{
  top:4px;
  box-shadow:inset 0 1px 3px #5a7d1e;
  background:-webkit-linear-gradient(top,#84ad3e,#84ad3e);
  background:-moz-linear-gradient(top,#84ad3e,#84ad3e);
  background:-ms-linear-gradient(top,#84ad3e,#84ad3e);
  background:-o-linear-gradient(top,#84ad3e,#84ad3e);
  linear-gradient(top,#84ad3e,#84ad3e);
}
.btn:nth-child(9){
  color: #2d2d2d;
  border-color: #555555;
  box-shadow:inset 0 1px 0 #7a7a7a,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#595959,#464646);
  background:-moz-linear-gradient(top,#595959,#464646);
  background:-o-linear-gradient(top,#595959,#464646);
  background:-ms-linear-gradient(top,#595959,#464646);
  linear-gradient(top,#595959,#464646);
}
.btn:nth-child(9):hover{
  background:-webkit-linear-gradient(top,#7a7a7a,#5d5c5c);
  background:-moz-linear-gradient(top,#7a7a7a,#5d5c5c);
  background:-o-linear-gradient(top,#7a7a7a,#5d5c5c);
  background:-ms-linear-gradient(top,#7a7a7a,#5d5c5c);
  linear-gradient(top,#7a7a7a,#5d5c5c);
}
.btn:nth-child(9):active{
  top:4px;
  box-shadow:inset 0 1px 3px #222;
  background:-webkit-linear-gradient(top,#444343,#444343);
  background:-moz-linear-gradient(top,#444343,#444343);
  background:-o-linear-gradient(top,#444343,#444343);
  background:-ms-linear-gradient(top,#444343,#444343);
  linear-gradient(top,#444343,#444343);
}
.btn:nth-child(10){
  color: #368eb0;
  border-color: #88cde7;
  box-shadow:inset 0 1px 0 #bce9f9,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#abe4f8,#70c6e7);
  background:-moz-linear-gradient(top,#abe4f8,#70c6e7);
  background:-ms-linear-gradient(top,#abe4f8,#70c6e7);
  background:-o-linear-gradient(top,#abe4f8,#70c6e7);
  linear-gradient(top,#abe4f8,#70c6e7);
}
.btn:nth-child(10):hover{
  background:-webkit-linear-gradient(top,#c2ecfb,#8cd6f2);
  background:-moz-linear-gradient(top,#c2ecfb,#8cd6f2);
  background:-o-linear-gradient(top,#c2ecfb,#8cd6f2);
  background:-ms-linear-gradient(top,#c2ecfb,#8cd6f2);
  linear-gradient(top,#c2ecfb,#8cd6f2);
}
.btn:nth-child(10):active{
  top:4px;
  box-shadow:inset 0 1px 3px #257797;
  background:-webkit-linear-gradient(top,#5eacc9,#5eacc9);
  background:-moz-linear-gradient(top,#5eacc9,#5eacc9);
  background:-ms-linear-gradient(top,#5eacc9,#5eacc9);
  background:-o-linear-gradient(top,#5eacc9,#5eacc9);
  linear-gradient(top,#5eacc9,#5eacc9);
}
.btn:nth-child(11){
  color: #46678b;
  border-color: #7ea4cf;
  box-shadow:inset 0 1px 0 #a9cded,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#94c1e9,#6ea1e1);
  background:-moz-linear-gradient(top,#94c1e9,#6ea1e1);
  background:-ms-linear-gradient(top,#94c1e9,#6ea1e1);
  background:-o-linear-gradient(top,#94c1e9,#6ea1e1);
  linear-gradient(top,#94c1e9,#6ea1e1);
}
.btn:nth-child(11):hover{
  background:-webkit-linear-gradient(top,#a7d1f7,#79aae9);
  background:-moz-linear-gradient(top,#a7d1f7,#79aae9);
  background:-ms-linear-gradient(top,#a7d1f7,#79aae9);
  background:-o-linear-gradient(top,#a7d1f7,#79aae9);
  linear-gradient(top,#a7d1f7,#79aae9);
}
.btn:nth-child(11):active{
  top:4px;
  box-shadow:inset 0 1px 3px #205aa2;
  background:-webkit-linear-gradient(top,#6391cb,#6391cb);
  background:-moz-linear-gradient(top,#6391cb,#6391cb);
  background:-ms-linear-gradient(top,#6391cb,#6391cb);
  background:-o-linear-gradient(top,#6391cb,#6391cb);
  linear-gradient(top,#6391cb,#6391cb);
}
.btn:nth-child(12){
  color: #784e6a;
  border-color: #c681af;
  box-shadow:inset 0 1px 0 #ebadd5,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#e699cb,#d677b8);
  background:-moz-linear-gradient(top,#e699cb,#d677b8);
  background:-ms-linear-gradient(top,#e699cb,#d677b8);
  background:-o-linear-gradient(top,#e699cb,#d677b8);
  linear-gradient(top,#e699cb,#d677b8);
}
.btn:nth-child(12):hover{
  background:-webkit-linear-gradient(top,#f4b5de,#e082c2);
  background:-moz-linear-gradient(top,#f4b5de,#e082c2);
  background:-o-linear-gradient(top,#f4b5de,#e082c2);
  background:-ms-linear-gradient(top,#f4b5de,#e082c2);
  linear-gradient(top,#f4b5de,#e082c2);
}
.btn:nth-child(12):active{
  top:4px;
  box-shadow:inset 0 1px 3px #9a2073;
  background:-webkit-linear-gradient(top,#cc6dae,#cc6dae);
  background:-moz-linear-gradient(top,#cc6dae,#cc6dae);
  background:-ms-linear-gradient(top,#cc6dae,#cc6dae);
  background:-o-linear-gradient(top,#cc6dae,#cc6dae);
  linear-gradient(top,#cc6dae,#cc6dae);
}
.btn:nth-child(13){
  color: #b27171;
  border-color: #efb1b1; 
  box-shadow:inset 0 1px 0 #ffd1d1,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#ffc5c5,#ff9595);
  background:-moz-linear-gradient(top,#ffc5c5,#ff9595);
  background:-o-linear-gradient(top,#ffc5c5,#ff9595);
  background:-ms-linear-gradient(top,#ffc5c5,#ff9595);
  linear-gradient(top,#ffc5c5,#ff9595);
}
.btn:nth-child(13):hover{
  background:-webkit-linear-gradient(top,#ffd5d5,#fd9a9a);
  background:-moz-linear-gradient(top,#ffd5d5,#fd9a9a);
  background:-o-linear-gradient(top,#ffd5d5,#fd9a9a);
  background:-ms-linear-gradient(top,#ffd5d5,#fd9a9a);
  linear-gradient(top,#ffd5d5,#fd9a9a);
}
.btn:nth-child(13):active{
  top:4px;
  box-shadow:inset 0 1px 3px #c94b4b;
  background:-webkit-linear-gradient(top,#e99292,#e99292);
  background:-moz-linear-gradient(top,#e99292,#e99292);
  background:-ms-linear-gradient(top,#e99292,#e99292);
  background:-o-linear-gradient(top,#e99292,#e99292);
  linear-gradient(top,#e99292,#e99292);
}
.btn:nth-child(14){
  color: #848484;
  border-color: #cecece; 
  box-shadow:inset 0 1px 0 #ececec,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#e5e5e5,#d5d5d5);
  background:-moz-linear-gradient(top,#e5e5e5,#d5d5d5);
  background:-o-linear-gradient(top,#e5e5e5,#d5d5d5);
  background:-ms-linear-gradient(top,#e5e5e5,#d5d5d5);
  linear-gradient(top,#e5e5e5,#d5d5d5);
}
.btn:nth-child(14):hover{
  background:-webkit-linear-gradient(top,#f0f0f0,#dedddd);
  background:-moz-linear-gradient(top,#f0f0f0,#dedddd);
  background:-o-linear-gradient(top,#f0f0f0,#dedddd);
  background:-ms-linear-gradient(top,#f0f0f0,#dedddd);
  linear-gradient(top,#f0f0f0,#dedddd);
}
.btn:nth-child(14):active{
  top:4px;
  box-shadow:inset 0 1px 3px #acacac;
  background:-webkit-linear-gradient(top,#c6c6c6,#c6c6c6);
  background:-moz-linear-gradient(top,#c6c6c6,#c6c6c6);
  background:-o-linear-gradient(top,#c6c6c6,#c6c6c6);
  background:-ms-linear-gradient(top,#c6c6c6,#c6c6c6);
  linear-gradient(top,#c6c6c6,#c6c6c6);
}
.btn:nth-child(15){
  color: #21729d;
  border-color: #2b9fd9;
  box-shadow:inset 0 1px 0 #6accf6,0 1px 0 rgba(0,0,0,.2);
  background:-webkit-linear-gradient(top,#38bbf3,#2ca2e3);
  background:-moz-linear-gradient(top,#38bbf3,#2ca2e3);
  linear-gradient(top,#38bbf3,#2ca2e3);
}
.btn:nth-child(15):hover{
  background:-webkit-linear-gradient(top,#6ad2ff,#3fafed);
  background:-moz-linear-gradient(top,#6ad2ff,#3fafed);
  background:-ms-linear-gradient(top,#6ad2ff,#3fafed);
  background:-o-linear-gradient(top,#6ad2ff,#3fafed);
  linear-gradient(top,#6ad2ff,#3fafed);
}
.btn:nth-child(15):active{
  top:4px;
  box-shadow:inset 0 1px 3px #298cc3;
  background:-webkit-linear-gradient(top,#4ea5d5,#4ea5d5);
  background:-moz-linear-gradient(top,#4ea5d5,#4ea5d5);
  background:-o-linear-gradient(top,#4ea5d5,#4ea5d5);
  background:-ms-linear-gradient(top,#4ea5d5,#4ea5d5);
  linear-gradient(top,#4ea5d5,#4ea5d5);
}
.btn:before,
.btn:after{
  position: absolute;
  content: "";
  height: 50%;
  border-radius: 50%;
  z-index: -1;
}
.btn:before {
  width: 90%;
  left: 5%;
  top:12%;
  box-shadow: 0 -7px 4px rgba(0,0,0,0.3);
}
.btn:active:before {
  width: 90%;
  left: 5%;
  top:12%;
  box-shadow: 0 0 2px rgba(0,0,0,0.3);
}
.btn:after {
  width: 80%;
  left: 10%;
  bottom: 9%;
  box-shadow: 0 7px 4px rgba(0,0,0,0.4);
}
.btn:active:after {
  width: 80%;
  left: 10%;
  bottom: 9%;
  box-shadow: 0 0 0 rgba(0,0,0,0.4);
}
</style>
</head>
<body>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>
<button type="button" class="btn">Click Me</button>

</body>
</html>