html, body {
    height: 100%; 
    margin: 0;
}

body{
    display: flex;
    flex-direction: column;
    font-family: 'Roboto', sans-serif;
    min-height: 100vh; 
}
.header{
    display: flex;
    justify-content: space-between;
}

.header div{
    margin: auto;
}
.header .middle{
    
}
.header .right{
    align-self: flex-end;
    margin: auto auto 15px auto;

    display: flex;
    justify-content: center;

}
.navigation{
    /*display: inline;*/
    color: rgb(46, 216, 159);
    font-size: 20px;
    font-weight: 600;
}
/* navigation number*/
td{
    cursor: pointer;
    padding: 5px;
}

td:hover{
    text-decoration: underline;

}

.header .right button{
    width: 60px;
    padding: 5px;
    margin: 0 10px;
    border-radius: 5px;
    background-color: rgb(46, 216, 159);
    font-weight: 900;
    font-size: 25px;
    color: #293442;
    cursor: pointer;
}

h1 {
    font-family: 'Courier New', Courier, monospace;
    color: rgb(46, 216, 159);
    font-size: 50px;
    text-align: center;
    /*color: lightseagreen*/
}

.header, .footer{
    background-color: #1F2937;
    
}

.main{
    display: flex;
    flex-direction: row;
    gap: 5px;
    justify-content: space-evenly;
    margin: 0 0 30px 0;
    align-items: stretch;
    flex: 1;

}


.day h4{
    text-align: center;
    color: #293442;

}

.day.container.inner{
    display: flex;
    flex-direction: column;
    border: 5px solid lightgray;
    flex: 1 1 auto;
    border-radius: 5px;
    height: 530px;
    width: 220px;
    margin: 0px;
    flex-grow: 2;
    flex-basis: 100%;

    overflow: hidden;
    overflow-y: scroll;
}

.day.container.inner::-webkit-scrollbar{
    width: 12px;
}
.day.container.inner::-webkit-scrollbar-thumb{
    background-color: #4a607e;
}
ul.list{
    margin: 0;
    padding: 0;
}

input{
    height: 40px;
}

button#add{
    align-self: center;
    margin: 10px;
    width: 60px;
    padding: 5px;
    border-radius: 5px;
    background-color: rgb(46, 216, 159);
    font-weight: 900;
    font-size: 20px;
    color: #293442;
    cursor: pointer;

}

textarea{
    margin: 5px;
    max-width: max-content;
    min-height: 20px;
    cursor: pointer;

}

.footer{
    min-height: 35px;
    margin-top: auto; 
    flex: 1;
}