body {
 text-align: center;
 text-decoration: none;
 font-family: arial;
 font-size: 14px;
 color: #666;
 margin: 25px;
 margin-left: auto;
 margin-right: auto;
 background-color: #F1F2F2;
 }
.btnENVIAR {
    -webkit-appearance: none;
    background: #CC0000;
    color: white;
    text-decoration: none;
    font-size: 14px;
    width: 150px;
    height: 30px;
    padding: 5px;
    border-radius: 5px;
}
.btnENVIAR:hover {
    background: #FF0000;
    font-weight: bold;
    border-radius: 10px;
}
.btnCrear {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #CC0000;
    color: white;
    text-decoration: none;
    font-size: 14px;
    width: 200px;
    height: 30px;
    padding: 5px;
    border-radius: 5px;
}
.btnCrear:hover {
    background: #FF0000;
    font-weight: bold;
    border-radius: 10px;
}
.btnEntrar {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #4397C4;
    color: white;
    text-decoration: none;
    font-size: 14px;
    width: 200px;
    height: 40px;
    padding: 5px;
    border-radius: 5px;
}
.btnEntrar:hover {
    background: #70B0D2;
    font-weight: bold;
    border-radius: 10px;
}
.btnURL {
    -webkit-appearance: none;
    background: #4397C4;
    color: white;
    text-decoration: none;
    font-size: 14px;
    width: 150px;
    height: 30px;
    padding: 5px;
    border-radius: 5px;
}
.btnURL:hover {
    background: #70B0D2;
    font-weight: bold;
    border-radius: 10px;
}
hr {
align: center;
size: 1px;
width: 50%;
color: #4397C4;
border-top: 1px solid #4397C4;
border-bottom: none;
}