/* btn-hover.color 공통 CSS 시작 */ 
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
 
.buttons {
    margin: 10%;
    text-align: center;
}
 
.btn-hover {
    padding: 0px 40px 0px 40px; /* 버튼 내부 여백 */
    font-size: 16px; /* 폰트 크기 */
    font-weight: 600; /* 폰트 굵기 */
    color: #fff !important; /* 글꼴 색상 */
    cursor: pointer;
    margin: 20px;
    height: 55px;
    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;
    width: 90%;
    font-size: 1.5em;
}
 
.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 공통 CSS 끝 */


/* CSS 버튼9 */
.btn-hover.color-9 {
    background-image: linear-gradient(to right, #ff00ff, #4481eb, #04befe, #3f86ed);
    box-shadow: 0 4px 15px 0 rgba(65, 132, 234, 0.75);
}
/* CSS 버튼9 끝 */