#success_message{ display: none;}
button.btn1 {
    /* margin: 50px 194px 0px 0px; */
    padding: 10px 30px !important;
    text-align: center !important;;
}
 
 .add-on {
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #d4d4d4;
}

.form-group.error .input-group.add-on {
    color: #e74c3c;
    background-color: #fdf3f2;
    border-color: #e74c3c;
}

.input-group .add-on {
    width: auto;
    padding: 0 5px;
}
.input-group .add-on {
    text-align: center;
    color: #000;
    background: #f5f5f5;
    line-height: 49px;
    width: 2em;
    text-shadow: 1px 1px 1px #fff;
}
[class*=-input-group] .add-on {
    order: -1;
    border-radius: 0 0 0 0;
    border-right: 0;
}
.add-on {
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #d4d4d4;
}