* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.buttons {
    margin: 10%;
    text-align: center;
}

.btn-hover {
    width: 200px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    margin: 20px;
    height: 45px;
    text-align:center;
    border: none;
    background-size: 300% 100%;

    border-radius: 50px;
    moz-transition: all .4s ease-in-out;
    -o-transition: all .4s ease-in-out;
    -webkit-transition: all .4s ease-in-out;
    transition: all .4s ease-in-out;
}

.btn-hover:hover {
    background-position: 100% 0;
    moz-transition: all .4s ease-in-out;
    -o-transition: all .4s ease-in-out;
    -webkit-transition: all .4s ease-in-out;
    transition: all .4s ease-in-out;
}

.btn-hover:focus {
    outline: none;
}

.btn-hover.color-1 {
    background-image: linear-gradient(to right, #e75516, #40ec77, #30dd8a, #2bb673);
    box-shadow: 0 4px 15px 0 rgba(49, 196, 190, 0.75);
}
.btn-hover.color-2 {
    background-image: linear-gradient(to right, #f5ce62, #e43603, #fa7199, #e85a19);
    box-shadow: 0 4px 15px 0 rgba(229, 66, 10, 0.75);
}
.btn-hover.color-3 {
    background-image: linear-gradient(to right, #667eea, #764ba2, #6B8DD6, #8E37D7);
    box-shadow: 0 4px 15px 0 rgba(116, 79, 168, 0.75);
}
.btn-hover.color-4 {
    background-image: linear-gradient(to right, #fc6076, #ff9a44, #ef9d43, #e75516);
    box-shadow: 0 4px 15px 0 rgba(252, 104, 110, 0.75);
}
.btn-hover.color-5 {
    background-image: linear-gradient(to right, #0ba360, #3cba92, #30dd8a, #2bb673);
    box-shadow: 0 4px 15px 0 rgba(23, 168, 108, 0.75);
}
.btn-hover.color-6 {
    background-image: linear-gradient(to right, #009245, #FCEE21, #00A8C5, #D9E021);
    box-shadow: 0 4px 15px 0 rgba(83, 176, 57, 0.75);
}
.btn-hover.color-7 {
    background-image: linear-gradient(to right, #6253e1, #852D91, #A3A1FF, #F24645);
    box-shadow: 0 4px 15px 0 rgba(126, 52, 161, 0.75);
}
.btn-hover.color-8 {
    background-image: linear-gradient(to right, #ecfA11, #157896, #2b1999, #6b0337);
    box-shadow: 0 4px 15px 0 rgba(60, 62, 78, 0.75);
}
.btn-hover.color-9 {
    background-image: linear-gradient(to right, #25aae1, #4481eb, #04befe, #3f86ed);
    box-shadow: 0 4px 15px 0 rgba(65, 132, 234, 0.75);
}
.btn-hover.color-10 {
        background-image: linear-gradient(to right, #ed6ea0, #ec8c69, #f7186a, #FBB03B);
    box-shadow: 0 4px 15px 0 rgba(236, 116, 149, 0.75);
}
.btn-hover.color-11 {
       background-image: linear-gradient(to right, #eb3941, #f15e64, #e14e53, #e2373f);  box-shadow: 0 5px 15px rgba(242, 97, 103, .4);
}
.btn-hover.color-12 {
    background-image: linear-gradient(to right, #25efe1, #11e495, #25dd8a, #2cb678);
    box-shadow: 0 4px 15px 0 rgba(49, 196, 190, 0.75);
}
.btn-hover.color-13 {
    background-image: linear-gradient(to right, #f5ce61, #e41703, #fa1499, #e85a00);
    box-shadow: 0 4px 15px 0 rgba(229, 66, 10, 0.75);
}
.btn-hover.color-14 {
    background-image: linear-gradient(to right, #147eea, #003ba2, #6B8DD5, #8E37D1);
    box-shadow: 0 4px 15px 0 rgba(116, 79, 168, 0.75);
}
.btn-hover.color-15 {
    background-image: linear-gradient(to right, #fc5176, #cc9a44, #ff9d43, #e45716);
    box-shadow: 0 4px 15px 0 rgba(252, 104, 110, 0.75);
}
.btn-hover.color-16 {
    background-image: linear-gradient(to right, #1fc374, #3cba55, #38dd7b, #2bb555);
    box-shadow: 0 4px 15px 0 rgba(23, 168, 108, 0.75);
}
.btn-hover.color-17 {
    background-image: linear-gradient(to right, #ff251c, #FCEE21, #00A888, #F9E021);
    box-shadow: 0 4px 15px 0 rgba(83, 176, 57, 0.75);
}
.btn-hover.color-18 {
    background-image: linear-gradient(to right, #6253e1, #562D91, #A3A1cb, #F24111);
    box-shadow: 0 4px 15px 0 rgba(126, 52, 161, 0.75);
}
.btn-hover.color-19 {
    background-image: linear-gradient(to right, #bcd11c, #402363, #2b9916, #4e1058);
    box-shadow: 0 4px 15px 0 rgba(45, 54, 65, 0.75);
}
.btn-hover.color-20 {
    background-image: linear-gradient(to right, #25aae1, #5236eb, #04befe, #3f03ed);
    box-shadow: 0 4px 15px 0 rgba(65, 132, 234, 0.75);
}
.btn-hover.color-21 {
        background-image: linear-gradient(to right, #cc9a44, #ec7769, #f7186a, #FBB65B);
    box-shadow: 0 4px 15px 0 rgba(236, 116, 149, 0.75);
}
.btn-hover.color-22 {
       background-image: linear-gradient(to right, #eb3940, #f15444, #6253e1, #e1247f);  box-shadow: 0 5px 15px rgba(242, 97, 103, .4);
}
.btn-hover.color-23 {
        background-image: linear-gradient(to right, #ed6ea0, #bb8c69, #f7086a, #5236eb);
    box-shadow: 0 4px 15px 0 rgba(236, 116, 149, 0.75);
}
.btn-hover.color-24 {
       background-image: linear-gradient(to right, #3cba55, #f15844, #e14e40, #e0633f);  box-shadow: 0 5px 15px rgba(242, 97, 103, .4);
}
.btn-hover.color-25 {
       background-image: linear-gradient(to right, #eb0041, #f48e40, #ef3940, #e0783f);  box-shadow: 0 5px 15px rgba(242, 97, 103, .4);
}
.btn-hover.color-26 {
       background-image: linear-gradient(to right, #eb7001, #f33e11, #8E37D1, #e2047f);  box-shadow: 0 5px 15px rgba(242, 97, 103, .4);
}
.btn-hover.color-27 {
       background-image: linear-gradient(to right, #10777c, #f05e10, #e77e40, #e0556e);  box-shadow: 0 5px 15px rgba(242, 97, 103, .4);
}
.btn-hover.color-28 {
       background-image: linear-gradient(to right, #eb1401, #b15e04, #e14e68, #10323c);  box-shadow: 0 5px 15px rgba(242, 97, 103, .4);
}
.btn-hover.color-29 {
        background-image: linear-gradient(to right, #bb79a0, #bb8c69, #10323e, #Fc555B);
    box-shadow: 0 4px 15px 0 rgba(236, 116, 149, 0.75);
}
.btn-hover.color-30 {
       background-image: linear-gradient(to right, #10823c, #c51289, #e0146f, #e5041f);  box-shadow: 0 5px 15px rgba(242, 97, 103, .4); 
}