.ef1_button_disabled {
    display: inline-block;
    border-radius: 4px;
    background-color: #f4511e;
    border: none;
    color: #DEDEDE;
    text-align: center;
    font-size: 28px;
    font-family: nanum-barun-gothic-bold !important;
    padding: 20px;
    width: 200px;
    transition: all 0.5s;
    margin: 5px;
}

.ef1_button {
    display: inline-block;
    border-radius: 4px;
    background-color: #f4511e;
    border: none;
    color: #FFFFFF;
    text-align: center;
    font-size: 28px;
    font-family: nanum-barun-gothic-bold !important;
    padding: 20px;
    width: 200px;
    transition: all 0.5s;
    cursor: pointer;
    margin: 5px;
}

.ef1_button span {
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}

.ef1_button span:after {
    content: '';
    position: absolute;
    opacity: 0;
    top: 0;
    right: -5px;
    transition: 0.5s;
}

.ef1_button:hover span {
    padding-right: 25px;
}

.ef1_button:hover span:after {
    opacity: 1;
    right: 0;
}

.ef2_button {
    -moz-box-shadow:inset 0px 39px 0px -24px #e67a73;
    -webkit-box-shadow:inset 0px 39px 0px -24px #e67a73;
    box-shadow:inset 0px 39px 0px -24px #e67a73;
    background-color:#e4685d;
    border:1px solid #ffffff;
    display:inline-block;
    cursor:pointer;
    color:#ffffff;
    font-size:15px;
    padding:9px 16px;
    text-decoration:none;
}
.ef2_button:hover {
    background-color:#eb675e;
    color:#ffffff;
}
.ef2_button:active {
    color:#ffffff;
    position:relative;
    top:1px;
}


.ef3_button {
    -moz-box-shadow:inset 0px 39px 0px -24px #9c9c9c;
    -webkit-box-shadow:inset 0px 39px 0px -24px #9c9c9c;
    box-shadow:inset 0px 39px 0px -24px #9c9c9c;
    background-color:#8a8a8a;
    border:1px solid #ffffff;
    display:inline-block;
    cursor:pointer;
    color:#ffffff;
    font-size:15px;
    padding:9px 16px;
    text-decoration:none;
}
.ef3_button:hover {
    background-color:#757575;
    color:#ffffff;
}
.ef3_button:active {
    color:#ffffff;
    position:relative;
    top:1px;
}