:root{
    --verde : #2ecc71;
    --negro : black;
    --blanco: white;
    --plomo:rgb(96, 95, 95);
}

body{
    background: var(--plomo);
    font-family:Arial, sans-serif;
    margin: 0;
    color: var(--blanco);
}
/*|<-- margin -->|<-- border -->|<-- padding -->| CONTENT |<-- padding -->|<-- border -->|<-- margin -->|*/

header{
    background-color: var(--verde);
    padding: 1em;
    text-align: center;
}

nav ul{
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 3em; 
}

nav a{
  color: var(--blanco);
  text-decoration: none;
  font-weight: bold;
}

section{
    padding: 2em;
    border-bottom: 1px solid;
}

.curso{
    background: #2b2b2b;
    padding: 1em ;
    border-radius: 10px;
    margin: 1em 0;
}

button, .btn{
    background-color: var(--verde);
    color: var(--blanco);
    border: none;
    padding: 0.7em 1.2em;  
    cursor: pointer;
    border-radius: 4px;
    margin-top: 0.5em;
    text-decoration: none;

}
form input , form select{
    display: block;
    width: 100%;
    margin: 0.5em 0;
    padding: 0.5em;
    border-radius: 5px;
    border:none;

}
footer{
    text-align: center;
    padding: 1em;
    background-color: #111;
    color: #888;
}

.form-publicar ,#foroFeed{
    max-width: 700px;
    margin: 1em auto;
    background: #1e1e1e;
    padding: 1em;
    color: white;
    border-radius: 10px;
}

textarea{
    width: 100%;
    padding: 0.5em;
    margin-bottom: 0.5em;
    resize: vertical;
    background: #2c2c2c;
    color: white;
    border-radius: 10px; 
}
.post{
    background: #2c2c2c;
    padding: 1em;
    margin-bottom: 1em;
    border-radius: 8px;
}

.post-buttons{
    margin-right: 10px;
    background: #27ae60;
    color:white;
    border: none;
    border-radius: 5px;
    padding: 0.4em 1em;
}
.comment-box{
    margin-top: 0.5em;
}
.comment-box input{
    width: 80%;
    padding: 0.3em;
    background: #333;
    color:white;
    border-radius: 5px;
    border: 1px solid #555;
}
.comment{

    font-size: 0.9em;
    margin-top: 0.3em;
    padding: 1em;
    color: #ccc;
}