todo3.css

body{
    font-size: 16px;
    font-family: A;
    background: #bdc3c7;  /* fallback for old browsers */
    background: -webkit-linear-gradient(left, #2c3e50, #bdc3c7);
    background: -o-linear-gradient(left, #2c3e50, #bdc3c7);
    background: linear-gradient(to right, #2c3e50, #bdc3c7);


}

input{
    margin-left: 200px;
    width: 50%;
    box-sizing: border-box;
    height: 30px;
    display:none;
    
}
#input{
    border-radius: 25px;
    border: 2px solid #73AD21;
    padding: 20px; 
    width: 200px;
    height: 150px; 
    
     
}
h2{
    font-size:40px;
}

#edit{
    font-size:15px;
    cursor:pointer;
}

.title{

    color: white;
    text-align: center; 


}
#box{
    border-radius: 25px;
    border: 2px solid lightslategrey;
    padding: 20px; 
    width: 800px;
    height: 400px; 
    margin-left: 250px;
    margin-top: 150px;
    
}

ol{
    margin-left: 250px; 


 
}
ol li{
    list-style: none;
}

span{
    color: red;
    font-size: 22px;
    cursor: pointer;
}