*{
    margin: 0;
    padding: 0;
    letter-spacing: 0.5px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    box-sizing: border-box;
}
.hide{
    display: none !important;
} 
body{
    background-color: rgb(51, 51, 51);
    min-height: 100vh;
    color: white; 
}
header{
    background-color: rgb(51, 51, 51);
    position: sticky;
    top: 0px;
    z-index: 3;
}
.header{
    margin-top: 20px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 5px;
    margin-bottom: 10px;
}
.flex{
    display: flex;
    justify-content: center;
    gap: 10px;
}
.item.flex{
    min-width: 300px; 
    justify-content: space-around;
}
.link{
    color: rgb(129, 131, 255);
    cursor: pointer;
}
.link:hover{ 
    border-bottom: 2px solid white;
    color: rgb(125, 125, 255);
    transform: scale(0.98);
    transition: all 0.3s;

}
.container{
    width: 95%;
    max-width: 750px;
    background: linear-gradient(rgba(3, 33, 53, 0.521), rgba(16, 16, 180, 0.493)); 
    margin: auto;
    min-height: 90vh;
    height: max-content;
} 
 
::-webkit-scrollbar-thumb{ 
    color: black;
}
::-webkit-scrollbar{
    width: 5px;
    background-color: transparent;
}
.text, .input{
    height: 50%;
    max-height: 300px;
    width: 100%;
    border: 1px solid white;
    border-radius: 10px;
    padding: 7px;
    background: transparent;
    margin: auto;
    color: white;
    font-size: 16px;
    overflow-y: auto;
    user-select: none;
    max-width: 700px;
}
.bottom, .top{
    display: flex;
    margin: auto;
    justify-content: center;
    width: 100%;
    min-height: 30px; 
    border-radius: 10px;
    padding: 7px;
}
.btn{
    background-color: transparent;
    padding: 5px 7px;
    border: 1px solid white;
    border-radius: 5px;
    margin: 0 5%;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
}
.btn:hover{
    color: rgb(155, 155, 255);
}
.btn:active{
    transform: scale(1.15);
}
#first, #third{
    display: flex;
    justify-content: center;
    align-items: center;
}
#first div, #third div{
    text-align: center;
    border: 1px solid white;
    width: 90%;
    border-radius: 5px;
    padding: 7px 5px;
    box-shadow: 10px 10px 50px black;
}
#first h2, #third h2{
    width: fit-content;
    margin: auto; 
}
.m2{
    margin: 10px 0px;
}

.green{
    color: rgb(138, 255, 138);
}
.start_timer{
    height: 200px;
    width: 350px;
    margin: auto;  
    padding-top: 25px;
    text-align: center;
    vertical-align: calc(100% - 50%);

}
.d-flex-j-center{
    /* height: 100%;
    display: flex;
    align-items: center;
    justify-content: center; */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

}
#counter{
    animation: ctr 1s infinite ;
}


@keyframes ctr {
    0%{
        transform: scale(1);
    }
    25%{
        transform: scale(1.25);
    }
    50%{
        transform: scale(1.50);
    }
    75%{
        transform: scale(1.75);
    }
    100%{
        transform: scale(2);
    }
}


footer{ 
    background-color: rgb(24, 24, 24);
    color: rgb(214, 214, 214);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 15px 0;
    flex-wrap: wrap;
  }
  footer div{
    text-align: center;
  
  }
  code{
    color: white; 
    font-weight: bold;
    cursor: pointer;
    transition: all 0.5s;
  }
  code:hover{
    border-bottom: 1px solid white;
  }

@media (max-width: 450px) {
    .item h1{
        font-size: 17px ; 
        white-space: nowrap;
        position: absolute; 

    }
    h3.link.mode{
        font-size: 14px;
}
.item.flex{
    justify-content: flex-end;  
} 
.second_content{
    width:100%;
}
.d-flex-j-center{
    width:90%;
}
}