body{
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: black;
    color: white;
}

#header{
    display: flex;
    font-size: 50px;
    margin: 3% 0 0 10%;
}

#Task{
    font-weight: bold; 
    font-size: 50px;
}

#List{
    position: relative; 
    left: 10px; 
    opacity: 50%; 
    font-size: 50px;
}

#Addbutton{
    z-index: 1;
    position: absolute;
    left: 70%;
    cursor: pointer;
}

.coloris{
    color: tomato;
}

#modaldiv{
     display: none; 
    position: fixed;
    padding: 20% 0 0 30%;
    top: -10%;
    z-index: 1;
    color: white;
    width: 100vw;
    height: 100vh;
}

#modalbox{
    border-radius: 7px;
    width: 30vw;
    height: 30vh;
    padding: 10px 0 0 0px;
    text-align: center;
    color: black;
    background-color: white;
    animation: modalPop 0.2s ease-in 0s 1;
}

.main-text{
    color: black;
    font-size: 50px;
}
.red-button{
    border-radius: 250px;
    margin-top: 5%;
    color: white;
    background-color: tomato;
    font-size: 30px;
    width: 25%;
    height: 20%;
    cursor: pointer;
}

button{
    border: none;
}

#modal-close-button{
    margin-left: 10%;
}

.modal-content{
    margin-top: 3%;
}

.input-box{
    width: 70%;
    height: 18%;
    text-align: center;
    font-size: 30px;
}

#outer_container{
    display: flex;
    position: relative;
    flex-wrap: wrap;
    align-items: flex-start;
    flex-direction: row;
    justify-content: space-around;
    margin-right: 10%;
    width: 90%;
}

.card{
    list-style: none;
    display: none;
    position: relative;
    min-height: 350px;
    min-width: 18%;
    text-align: center;
    border-radius: 10px;
    margin: 5% 0 0 10%;
    padding: 10px 0 0 0;
    background: white;
    box-shadow: 0px 0px 15px tomato;
    animation: cardAnimate 0.2s ease-in 0s 1;
}

.card-head{
    padding-left: 10px;
    padding-right: 10px;
    font-size: 30px;
    color: black;
    cursor: pointer;
}

.list-element{
    margin-top: 10%;
    margin-bottom: 10%;
}

.buttons-in-card{
    display: flex;
    font-size: 30px;
}
.hidden_page_element{
    margin:8rem 0 0 33rem;
  }

.delete-button-in-card{
    position: absolute;
    right: 50px;
    bottom: 20px;
    font-size: 25px;
    cursor: pointer;
    color: tomato;
    background-color: white;
}

.back-button{
    color:tomato;
    cursor:pointer;
    position: fixed;
    left: 194px;
    background-color: black;
    font-size: 25px;
    top: 50px;
    
}

.add-button-in-card{
    position: absolute;
    bottom: 20px;
    font-size: 25px;
    margin-left: 15%;
    right: 10px;
    cursor: pointer;
    color: tomato;
    background-color: white;

}

.innerlist-button{
    cursor: pointer;

}

#modalDiv_card{
    display: none;
    position: fixed;
    padding: 20% 0 0 30%;
    text-align: center;
    top: -10%;
    z-index: 1;
    color: white;
    width: 100vw;
    height: 100vh;
}

#modalBox_card{
    border-radius: 7px;
    width: 30vw;
    height: 30vh;
    padding: 10px 0 0 0px;
    text-align: center;
    color: black;
    background-color: white;
    animation: modalPop 0.2s ease-in 0s 1;
}

.this-list-element{
    font-size: 20px;
    color: gray;
    animation: cardTextAnimate 0.2s ease-in 0s 1;
}

#check-done{
    color: black;
    background-color: grey;
    display: none;
}

.completed{
    background-color: gray;
    color: white;
    font-size: 10px;
    margin-left: 10px;
    margin-right: 10px;
    height: 17px;
}

#emptyList{
    position: relative;
    top: 30vh;
    left: -10vh;
    font-size: 63px;
    font-weight: bold;
    opacity: 30%;
}

hr{
    position: relative;
    top: -15px;
}
@media (max-width: 820px) {
    #mainHead{
        flex-direction: column;
    }    

    #outer_container{
        display: flex;
        flex-direction: column;
    }
    .card{
        margin: 25px 10px 10px 50px;
        width: 270px;
    }
    #button_text{
        display: none;
    }
    .main-text, .modal-content{
        font-size: 33px;
    }

    #modalbox{
        width: 327px;
        position: relative;
        right: 82px;
        top: 254px;
    }
    
#emptyList{
  
    font-size: 43px;
   
}

    .red-button{
        width: 28%;
        height: 17%;
        font-size: 25px;
        margin-top: 18px;
    }

    .card-1{
        margin-top: 147px;
    }

    .back-button{
        position: absolute;
        top: 36px;
        left: 35px;
    }

    #modalBox_card{
        width: 327px;
        position: relative;
        right: 82px;
        top: 254px;
    }
    
}