.ppb-btn {
background: #0073aa;
color: #fff;
padding: 10px 18px;
border: none;
cursor: pointer;
border-radius: 4px;
}
.ppb-btn:hover {
background: #005177;
}
.ppb-modal {
position: fixed;
top: 0; left: 0;
width: 100%; height: 100%;
background: rgba(0,0,0,0.5);
display: flex;
align-items: center;
justify-content: center;
z-index: 99999;
}
.ppb-modal-content {
background: #fff;
padding: 20px;
border-radius: 8px;
text-align: center;
min-width: 320px;
}
#ppb-input {
display: block;
height: 50px;
width: 100%;
margin-bottom: 20px;
padding: 10px;
border: 1px solid;
box-sizing: border-box;
}  
#ppb-error {
margin-top: 15px;
margin-bottom: 0px;
}
.ppb-modal-content button {
cursor: pointer;
padding: 9px 20px;
min-width: 100px;
}
.ppb-btn:hover {
opacity: 0.9; border: none;
}