.btn-blue {
    background: #00a0df;
    color: #fff !important;
    border: 1px solid #00a0df;
    display: inline-block;
    text-decoration: none !important;
    transition: 0.5s;
}

.btn-blue-lg {
    padding: 20px 45px;
}

.btn-blue-md {
    padding: 15px 20px;
}

.btn-blue:hover {
    background: #fff;
    color: #00a0df !important;
}

.btn-yellow {
    background-color: rgba(250, 235, 0,0.8);
    color: #333;
    font-size: 18px;
    font-weight: bold;
    box-shadow: 1px 4px 10px #000;
    padding: 15px 25px;
    width:260px;
    text-align: center;
    position: absolute;
}


.btn-yellow:hover {
    color: #000 !important;
    background-color: rgba(250, 235, 0, 1);
    text-decoration: none;
}

.btn-absolute-center, 
.btn-absolute-bottom,
.btn-absolute-below-center {
    transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    left: 50%;
}

.btn-absolute-center {
    top: 50%;
}

.btn-absolute-below-center {
    top: 56%;
}

.rtl .btn-absolute-below-center {
    top: 58%;
}

.btn-absolute-bottom {
    bottom: 10%;
}