*{
    padding: 0px;
    margin: 0px;
}

body{
    background: rgb(2,0,36);
    background: linear-gradient(176deg, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 35%, rgba(0,212,255,1) 100%);
    min-height: 100vh;
    background-size: cover;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
}

main {
    background-color: aliceblue;
    width: 50%;
    min-height: 50vh;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid black;
    box-shadow: 0px 0px 50px  rgba(0, 0, 0, 0.218);
}

h1 {
    color: white;
    letter-spacing: 3px;
    font-size: 1em;
}

.add{
    margin-top: 10px;
    background-color: rgba(0, 0, 0, 0.291);
    border-radius: 100px;
    position: relative;
    height: 30px;
    border: 1px solid rgba(124, 124, 124, 0.049);
    box-shadow: 0px 0px 50px rgba(0, 0, 0, 0.229);
}

.tache{
    border: none;
    border-radius: 100px ;
    height: 100%;
    width: 100%;
    position: absolute;
    box-sizing: border-box;
    padding: 10px;
}

.ajouter_tache{
    position: absolute;
    width: 30%;
    right: 2px;
    height: 90%;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 100px;
    border: none;
    background-color: rgb(255, 122, 122);
}.ajouter_tache:hover{
    background-color: rgb(243, 68, 68);

}

li{
    list-style-type: none;
    margin: 30px 0px;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    box-shadow: 4px 4px 3px rgba(0, 0, 0, 0.165);
    border-radius: 100px;
}

li button{
    background-color: transparent;
    border: none;
    padding: 0px 10px;
}li button:hover{
    scale: 2;
    transition: scale 400ms ease;
}

.version{
    padding: 10px ;
    border-radius: 10px;
    border: none;
    background-color: green;
    color: white;
}