body{
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #2c3e50;
}

.content{
    max-width: 800px;
    margin: 50px auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}
.content h1{
        color:#34495e;
    font-size: 2.5em;
    margin-bottom: 10px;
    }
.content h4{
color: #7f8c8d;
    font-size: 1.2em;
    margin-bottom: 20px;
    }
.content table{
        width: 100%;
        margin-top: 20px;
        border-collapse: collapse;
    background-color: #fdfdfd;
    border-radius: 10px;
      overflow: hidden;


    }
.content table hr, td{
    padding: 15px;
    border: 1px solid #ecf0f1;
    text-align: center;
    color: #2c3e50;
}
.content table hr{
    background-color: #ecf0f1;
    font-weight: bold;
    color: #34495e;
}
.content table tr:nth-child(even) {
    background-color: #f7f9fb;
}
.content a{
    display: inline-block;
    padding: 10px 20px;
    margin: 5px;
    border-radius: 5px;
    background-color: #3498db;
    color:#ffffff;
    text-decoration: none;
    transition: background-colour 0.3s ease;
    font-size: 0.9em;
    font-weight: bold;
}
.content a:hover{
    background-color: #2980b9;
}

.content #btn_add{
    background-color: #3498db;
    color: #ffffff;
    cursor: pointer;
    font-size: 1em;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    margin-top: 10px;
}
.content #btn_add:hover{
    background-color: #2980b9;
}
.context input{
    padding: 15px;
    margin: 10px 5px;
    border: 1px solid #bdc3c7;
    border-radius: 5px;
    font-size: 1.1em;
    width: 100%;
    box-sizing: border-box;
}