*{
    padding: 0;
    margin: 0;

}

body{
    background-color:#0f0f0f;
}

h1{
    font-size: 4.5rem;
    text-align: center;
    color:rgba(144, 236, 87, 0.8);
    
    margin:20px;
    height:10rem;
    align-content: center;
    transition: color 0.6s, background 0.7s;
    cursor:pointer;
    color:hsl(0%,0%,20%);
 
    font-weight:bold;
    letter-spacing:3px;
    cursor:pointer;
    text-transform: uppercase;
    background: linear-gradient(
        to right,
        hsl(0,0%,30%) 0,
        hsl(0,0%,100%) 10%,    
        hsl(0,0%,30%) 20%
    );
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    animation:animation_shine 3.5s infinite linear;
}

h1:hover{
    background:rgba(144, 236, 87, 0.8);
    color:#361f1f;
    background:linear-gradient(to bottom, rgb(29, 114, 29), rgb(203, 211, 193));
    background-clip:text;
}

main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items:center; 
    flex-wrap: wrap;

}

section{
    background-color: rgb(238, 226, 211);
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items:center;
    margin-top: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;

}


@media only screen and (min-width: 400px) {
    .section{
        flex-wrap: wrap;
    }
}

.container1{

    margin:2% 2% 2% 2%;
    background-color: darkkhaki;
    font-family: sans-serif;
    text-align: justify;
    max-width:1000px;
    flex:1;
 
}   

.im{
    width:150px;
    border:3px solid rgb(233, 231, 231);
    border-radius: 5%;

}

header{

    background-image:url("mat.png");
    max-width: 100%;
    width: 100%;
    margin:auto;

}

.im:hover{
    border-color: rgb(173, 157, 131);
    opacity:.8;
    
}

.im:active{
    border-color: rgb(243, 214, 172);
    opacity:.5;
    
}

#b1,#b3{

    border-left:2px solid;
    transition: rotate 1s, scale 1s;
}

@keyframes animation_shine{
    0%{
        background-position: -50px;
    }
    50%{
        background-position: 1071px;
    }
    100%{
        background-position: 40px;
    }

}

.t1{
    text-align: justify;
    font-size: large;
    color:rgb(171, 245, 203);
    background-color: rgb(17, 27, 77);
    display: inline-block;
    position:relative;
    cursor:pointer;
}

.t1::before{

    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: white;
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;

}

.t1:hover::before{
    transform: scaleX(1);
    transform-origin:bottom left;
}


#a1:hover{
    opacity:.8; 
}

.b2{
    border-left: 0;
    border-right:2px solid;
    transition: rotate 1s, 
}

.b4{
    border-left:2px solid;
    transition: scale 1s;
}


.b5{
    border-right:2px solid;
    transition: scale 1s;
}

#b1:hover{
    transform: rotate(270deg);
    scale: 2;
}

.b2:hover{
    transform: rotate(270deg);
    margin:0 0 0 50%;
    scale: 2;
}

#b3:hover,.b4:hover,.b5:hover{
     
    scale: 2;
}

ol{
    padding-left:20px;
}

ul{
    padding-left:30px;
}

footer{
    color:azure;
    text-align: center;
    background-color: #361f1f;
    height:50px;
    background-image:linear-gradient(to right, rgb(29, 23, 23), rgb(28, 28, 73));
}

code{
    font-size: 12pt;
    background-image:linear-gradient(to right, rgb(216, 178, 178), rgb(213, 213, 224));
 
}

.cor2{background-image:linear-gradient(to right, rgb(216, 178, 178), rgb(213, 213, 224)); display:inline;  }


.painel{

    display:flex;
    
}

:root {
  --width: 21px;
}