.hidden {
    display:none;
}

*{
    box-sizing: border-box;
}
body{
    padding-top:300px;
    font-family: 'Baloo Tammudu 2', 'Noto Sans KR', sans-serif;
}

#bgImage {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;        
    height: 100%;       
    object-fit: cover;
    z-index: -5;
    filter: brightness(30%);
}

#login-form{
    text-align:center;
    color:white;
    margin:0 auto;
}
#login-form input:first-child{
    text-align: center;
    color:white;
    font-size:1.3rem;
    padding: 10px;
    width: 240px;
    background-color: rgba(255,255,255,0.2);
    border:none;
    transition: all, 0.4s;
}
#login-form input:first-child:hover{
    background-color: rgba(255,255,255,0.4);
}   
#login-form input:hover::-webkit-input-placeholder{ /*placeholder color change*/
    color: rgb(50, 50, 50);
}
#login-form input:first-child:focus{
    outline:none;
    border-bottom: 1px solid white;
    background-color:rgba(0,0,0,0);
}
#login-form input:nth-child(2){
    margin-left:20px;
    width:100px;
    height:40px;
    border-radius: 30px;
    border:none;
    background-color:rgba(255,255,255,0.6);
    color: rgb(80,80,80);
    font-size:1rem;
    font-weight: 600;
    box-shadow: 5px 5px 5px rgba(0,0,0,0.4);
    outline: none;
    cursor: pointer;
    transition: all, 0.4s;
}
#login-form input:nth-child(2):hover{
    background-color:rgba(255,255,255,0.8)
}
#login-form input:nth-child(2):active{
    background-color:darkgray;
    color:white;
    outline: none;
}

#clock{
    text-align: center;
    height:260px;
    font-size:8rem;
    margin:10px;
    color:white;    
    padding:-100px;
}
#greeting{
    margin: 0 auto;
    text-align: center;
    color: white;
    font-weight: 400;
    font-size:2rem;
    font-weight: 600;
}
#todo-form{
    text-align: center;
    margin-top:0px;
}
#todo-form input{
    text-align: center;
    color:white;
    font-size:1rem;
    width: 540px;
    height:40px;
    background-color: rgba(255,255,255,0.1);
    font-weight: 500;
    border:none;
    margin-bottom:20px;
    margin-top:-50px;
    transition: all, 0.4s;
}
#todo-form input:hover{
    background-color: rgba(255,255,255,0.4);
}
#todo-form input:hover::-webkit-input-placeholder{ /*placeholder color change*/
    color: rgb(50, 50, 50);
}
#todo-form input:focus{
    outline:none;
    border-bottom: 1px solid white;
    background-color:rgba(0,0,0,0);
    }
#todo-list{
    text-align: center;
}
#todo-list li{
    list-style: none;
    color:rgba(250,250,250,0.8);
    margin-top:40px;
    margin-bottom:50px;
    font-size:1rem;
    width:540px;
    margin: 0 auto;
}
#todo-list li:hover{
    color:rgb(255, 166, 0);
}
#todo-list button{
    margin-right:10px;
    background-color:rgba(255,255,255,0);
    outline: none;
    color:white;
    font-weight: 700;
    width:30px;
    height:30px;
    border:none;
    font-size:1.2rem;
}
#todo-list button:hover{
    cursor: pointer;
}
#weather{
    position:fixed;
    top:20px;
    right:36px;
    color:white;
    font-size:0.9rem;
    font-weight: 700;
}
#weather:hover{
    color:rgb(255, 166, 0);
}