*{
    padding: 0;
    margin: 0;
}


body{
    background-image: url(../img/34.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    font-family: Arial, Helvetica, sans-serif;
}

#head{
    width: 100%;
    height: 21vh;
    text-align: center;
}

#date{
    margin-bottom: 80px;
}

#task{
    width: 50%;
    height: 2rem;
    padding: 10px;
    outline: none;
}

#task:hover{
    border: 1px solid #DDD;
}

#task:active{
    border: 1px solid #CCC;
}

#task:focus{
    border: 1px solid #e996e9;
}

.btn{
    outline: none;
    border: none;
    height: 3.4rem;
    width: 3rem;
    cursor: pointer;
    background-color: white;
}

.btn:active{
    transform: scale(0.95);
}

li{
    text-align: center;
    list-style: none;
    margin: auto;
    width: 40%;
    height: 1.3rem;
    padding: 10px;
    background-color: white;
    margin-bottom: 10px;

}

#alert{
    display: none;
    width: 200px;
    height: 60px;
    background-color: #ecb3ff;
    display: none;
    text-align: center;
    border-radius: 10px;
    padding: 10px;
    margin: auto;
}

.delete{
    outline: none;
    background: none;
    border: none;
    width: 30px;
    cursor: pointer;
    float: right;
}

.delete:hover{
    color: red;
}

.checked{
    text-decoration: line-through;
}

@media screen and (max-width: 500px){
   #head{
        margin-bottom: 20px;
   }
}