body{
    background-color: #2c2c2c;
}

.container__background-triangle{
    max-width: 1200px;
    height: 600px;
    margin: auto;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.triangle{
    width: 300px;
    height: 300px;
    background: red;
    position: absolute;
}

.triangle1{
    width: 250px;
    height: 250px;
    background: linear-gradient(to left, #0ea2e646, #c71e9481);
    right: 100px;
    top: 100px;
    border-radius: 5% 10% 15% 20%;
    animation: t1 8s ease infinite;
}

.triangle2{
    width: 200px;
    height: 200px;
    background: linear-gradient(to left, #89ee0580, #c7371e86);
    top: 350px;
    border-radius: 50%;
    animation: t2 9s ease infinite;
}

.triangle3{
    width: 300px;
    height: 300px;
    background: linear-gradient(to left, #951bc580, #df0f4386);
    left: 200px;
    border-radius: 40% 30% 15% 5%;
    animation: t3 7s ease infinite;
}

@keyframes t1 {
    0%{
        transform: rotate(45deg) translateY(0px);
    }
    50%{
        transform: rotate(45deg) translateY(40px);
    }
    100%{
        transform: rotate(45deg) translateY(0px);
    }
}

@keyframes t2 {
    0%{
        transform: rotate(65deg) translateY(0px);
    }
    50%{
        transform: rotate(65deg) translateY(40px);
    }
    100%{
        transform: rotate(65deg) translateY(0px);
    }
}

@keyframes t3 {
    0%{
        transform: rotate(45deg) translateY(0px);
    }
    50%{
        transform: rotate(45deg) translateY(40px);
    }
    100%{
        transform: rotate(45deg) translateY(0px);
    }
}

h1{
    text-align: center;
    margin-top: 4%;
    color: #fff;
    font-size: 2.4rem;
    text-decoration: underline;
}

.project-list{
    display: flex;
    flex-wrap: wrap;
}

.project-list .project-item{
    width: 30%;
    margin: 20px 20px;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 20px 20px 50px rgba(0,0,0,0.5);
    border-left: 1px solid rgba(255, 255, 255, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.project-list .project-item .title-project{
    color: #fff;
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid #fff;
    margin-left: 10px;
    margin-right: 10px;
    font-size: 1.6rem;
}

.project-list .project-item .type-project{
    color: #fff;
    text-align: center;
    font-size: 1.4rem;
}

.project-list .project-item a img{
    width: 60%;
    border-radius: 5%;
    margin-bottom: 5%;
    margin-left: 50%;
    transform: translateX(-50%);
    border: 1px solid #fff;
    box-shadow: 10px 10px 10px rgba(0,0,0,0.5);
}

.project-list .project-item a img:hover{
    border: 3px solid #fff;
}